diff --git a/sci-publications/src/main/java/org/scientificcms/publications/BasicPublicationProperties.java b/sci-publications/src/main/java/org/scientificcms/publications/BasicPublicationProperties.java
new file mode 100644
index 0000000..5978579
--- /dev/null
+++ b/sci-publications/src/main/java/org/scientificcms/publications/BasicPublicationProperties.java
@@ -0,0 +1,244 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.scientificcms.publications;
+
+import org.libreccm.l10n.LocalizedString;
+
+import java.io.Serializable;
+import java.util.Locale;
+import java.util.Objects;
+
+import javax.persistence.AssociationOverride;
+import javax.persistence.Column;
+import javax.persistence.Embeddable;
+import javax.persistence.Embedded;
+import javax.persistence.JoinColumn;
+import javax.persistence.JoinTable;
+
+import static org.scientificcms.publications.SciPublicationsConstants.*;
+
+/**
+ * Basic properties of publication.
+ *
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ */
+@Embeddable
+public class BasicPublicationProperties implements Serializable {
+
+    private static final long serialVersionUID = 1L;
+
+    @Column(name = "YEAR_OF_PUBLICATION")
+    private Integer yearOfPublication;
+
+    @Embedded
+    @AssociationOverride(
+        name = "values",
+        joinTable = @JoinTable(name = "PUBLICATION_TITLES",
+                               schema = DB_SCHEMA,
+                               joinColumns = {
+                                   @JoinColumn(name = "OBJECT_ID")
+                               })
+    )
+    private LocalizedString title;
+
+    @Embedded
+    @AssociationOverride(
+        name = "values",
+        joinTable = @JoinTable(name = "PUBLICATION_SHORT_DESCS",
+                               schema = DB_SCHEMA,
+                               joinColumns = {
+                                   @JoinColumn(name = "OBJECT_ID")
+                               })
+    )
+    private LocalizedString shortDescription;
+
+    @Embedded
+    @AssociationOverride(
+        name = "values",
+        joinTable = @JoinTable(name = "PUBLICATION_ABSTRACTS",
+                               schema = DB_SCHEMA,
+                               joinColumns = {
+                                   @JoinColumn(name = "OBJECT_ID")
+                               })
+    )
+    private LocalizedString publicationAbstract;
+
+    @Embedded
+    @AssociationOverride(
+        name = "values",
+        joinTable = @JoinTable(name = "PUBLICATION_MISC",
+                               schema = DB_SCHEMA,
+                               joinColumns = {
+                                   @JoinColumn(name = "OBJECT_ID")
+                               })
+    )
+    private LocalizedString misc;
+
+    @Column(name = "PEER_REVIEWED")
+    private Boolean peerReviewed;
+
+    @Column(name = "YEAR_FIRST_PUBLISHED")
+    private Integer yearFirstPublished;
+
+    @Column(name = "LANGUAGE_OF_PUBLICATION")
+    private Locale languageOfPublication;
+
+    public Integer getYearOfPublication() {
+        return yearOfPublication;
+    }
+
+    public void setYearOfPublication(final Integer yearOfPublication) {
+        this.yearOfPublication = yearOfPublication;
+    }
+
+    public LocalizedString getTitle() {
+        return title;
+    }
+
+    public void setTitle(final LocalizedString title) {
+        this.title = title;
+    }
+
+    public LocalizedString getShortDescription() {
+        return shortDescription;
+    }
+
+    public void setShortDescription(final LocalizedString shortDescription) {
+        this.shortDescription = shortDescription;
+    }
+
+    public LocalizedString getPublicationAbstract() {
+        return publicationAbstract;
+    }
+
+    public void setPublicationAbstract(final LocalizedString publicationAbstract) {
+        this.publicationAbstract = publicationAbstract;
+    }
+
+    public LocalizedString getMisc() {
+        return misc;
+    }
+
+    public void setMisc(final LocalizedString misc) {
+        this.misc = misc;
+    }
+
+    public Boolean getPeerReviewed() {
+        return peerReviewed;
+    }
+
+    public void setPeerReviewed(final Boolean peerReviewed) {
+        this.peerReviewed = peerReviewed;
+    }
+
+    public Integer getYearFirstPublished() {
+        return yearFirstPublished;
+    }
+
+    public void setYearFirstPublished(final Integer yearFirstPublished) {
+        this.yearFirstPublished = yearFirstPublished;
+    }
+
+    public Locale getLanguageOfPublication() {
+        return languageOfPublication;
+    }
+
+    public void setLanguageOfPublication(final Locale languageOfPublication) {
+        this.languageOfPublication = languageOfPublication;
+    }
+
+    @Override
+    public int hashCode() {
+        int hash = 5;
+        hash = 97 * hash + Objects.hashCode(yearOfPublication);
+        hash = 97 * hash + Objects.hashCode(title);
+        hash = 97 * hash + Objects.hashCode(shortDescription);
+        hash = 97 * hash + Objects.hashCode(publicationAbstract);
+        hash = 97 * hash + Objects.hashCode(misc);
+        hash = 97 * hash + Objects.hashCode(peerReviewed);
+        hash = 97 * hash + Objects.hashCode(yearFirstPublished);
+        hash = 97 * hash + Objects.hashCode(languageOfPublication);
+        return hash;
+    }
+
+    @Override
+    public boolean equals(final Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (obj == null) {
+            return false;
+        }
+        if (!(obj instanceof BasicPublicationProperties)) {
+            return false;
+        }
+        final BasicPublicationProperties other
+                                             = (BasicPublicationProperties) obj;
+        if (!other.canEqual(this)) {
+            return false;
+        }
+        if (!Objects.equals(yearOfPublication, other.getYearOfPublication())) {
+            return false;
+        }
+        if (!Objects.equals(title, other.getTitle())) {
+            return false;
+        }
+        if (!Objects.equals(shortDescription, other.getShortDescription())) {
+            return false;
+        }
+        if (!Objects.equals(publicationAbstract,
+                            other.getPublicationAbstract())) {
+            return false;
+        }
+        if (!Objects.equals(misc, other.getMisc())) {
+            return false;
+        }
+        if (!Objects.equals(peerReviewed, other.getPeerReviewed())) {
+            return false;
+        }
+        if (!Objects.equals(yearFirstPublished, other.getYearFirstPublished())) {
+            return false;
+        }
+        return Objects.equals(languageOfPublication,
+                              other.getLanguageOfPublication());
+    }
+
+    public boolean canEqual(final Object obj) {
+
+        return obj instanceof BasicPublicationProperties;
+    }
+
+    public String toString(final String data) {
+
+        return String.format("%s{ "
+                                 + "yearOfPublication = %d, "
+                                 + "title = %s, "
+                                 + "shortDescription = %s, "
+                                 + "publicationAbstract = %s, "
+                                 + "misc = %s, "
+                                 + "peerReviewed = %b, "
+                                 + "yearFirstPublished = %d, "
+                                 + "languageOfPublication = \"%s\"%d"
+                                 + " }",
+                             super.toString(),
+                             yearOfPublication,
+                             Objects.toString(title),
+                             Objects.toString(shortDescription),
+                             Objects.toString(publicationAbstract),
+                             Objects.toString(misc),
+                             peerReviewed,
+                             yearFirstPublished,
+                             Objects.toString(languageOfPublication),
+                             data);
+    }
+    
+    @Override
+    public final String toString() {
+        
+        return toString("");
+    }
+
+}
diff --git a/sci-publications/src/main/java/org/scientificcms/publications/PublicationWithPublisherProperties.java b/sci-publications/src/main/java/org/scientificcms/publications/PublicationWithPublisherProperties.java
new file mode 100644
index 0000000..a0b49a3
--- /dev/null
+++ b/sci-publications/src/main/java/org/scientificcms/publications/PublicationWithPublisherProperties.java
@@ -0,0 +1,202 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.scientificcms.publications;
+
+import org.libreccm.l10n.LocalizedString;
+import org.scientificcms.publications.assets.Publisher;
+
+import java.io.Serializable;
+import java.util.Objects;
+
+import javax.persistence.AssociationOverride;
+import javax.persistence.Column;
+import javax.persistence.Embeddable;
+import javax.persistence.Embedded;
+import javax.persistence.JoinColumn;
+import javax.persistence.JoinTable;
+import javax.persistence.OneToOne;
+
+import static org.scientificcms.publications.SciPublicationsConstants.*;
+
+/**
+ *
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ */
+@Embeddable
+public class PublicationWithPublisherProperties implements Serializable {
+
+    private static final long serialVersionUID = 1L;
+
+    @OneToOne
+    private Publisher publisher;
+
+    @Column(name = "ISBN10", length = 13)
+    private String isbn10;
+
+    @Column(name = "ISBN13", length = 17)
+    private String isbn13;
+
+    @Column(name = "VOLUME")
+    private Integer volume;
+
+    @Column(name = "NUMBER_OF_VOLUMES")
+    private Integer numberOfVolumes;
+
+    @Column(name = "NUMBER_OF_PAGES")
+    private Integer numberOfPages;
+
+    @Embedded
+    @AssociationOverride(
+        name = "values",
+        joinTable = @JoinTable(name = "PUBLICATION_EDITION",
+                               schema = DB_SCHEMA,
+                               joinColumns = {
+                                   @JoinColumn(name = "OBJECT_ID")
+                               })
+    )
+    private LocalizedString edition;
+
+    public Publisher getPublisher() {
+        return publisher;
+    }
+
+    public void setPublisher(final Publisher publisher) {
+        this.publisher = publisher;
+    }
+
+    public String getIsbn10() {
+        return isbn10;
+    }
+
+    public void setIsbn10(final String isbn10) {
+        this.isbn10 = isbn10;
+    }
+
+    public String getIsbn13() {
+        return isbn13;
+    }
+
+    public void setIsbn13(final String isbn13) {
+        this.isbn13 = isbn13;
+    }
+
+    public Integer getVolume() {
+        return volume;
+    }
+
+    public void setVolume(final Integer volume) {
+        this.volume = volume;
+    }
+
+    public Integer getNumberOfVolumes() {
+        return numberOfVolumes;
+    }
+
+    public void setNumberOfVolumes(final Integer numberOfVolumes) {
+        this.numberOfVolumes = numberOfVolumes;
+    }
+
+    public Integer getNumberOfPages() {
+        return numberOfPages;
+    }
+
+    public void setNumberOfPages(final Integer numberOfPages) {
+        this.numberOfPages = numberOfPages;
+    }
+
+    public LocalizedString getEdition() {
+        return edition;
+    }
+
+    public void setEdition(final LocalizedString edition) {
+        this.edition = edition;
+    }
+
+    @Override
+    public int hashCode() {
+        int hash = 7;
+        hash = 47 * hash + Objects.hashCode(publisher);
+        hash = 47 * hash + Objects.hashCode(isbn10);
+        hash = 47 * hash + Objects.hashCode(isbn13);
+        hash = 47 * hash + Objects.hashCode(volume);
+        hash = 47 * hash + Objects.hashCode(numberOfVolumes);
+        hash = 47 * hash + Objects.hashCode(numberOfPages);
+        hash = 47 * hash + Objects.hashCode(edition);
+        return hash;
+    }
+
+    @Override
+    public boolean equals(final Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (obj == null) {
+            return false;
+        }
+        if (!super.equals(obj)) {
+            return false;
+        }
+        if (!(obj instanceof PublicationWithPublisherProperties)) {
+            return false;
+        }
+        final PublicationWithPublisherProperties other
+                                                     = (PublicationWithPublisherProperties) obj;
+        if (!other.canEqual(this)) {
+            return false;
+        }
+        if (!Objects.equals(isbn10, other.getIsbn10())) {
+            return false;
+        }
+        if (!Objects.equals(isbn13, other.getIsbn13())) {
+            return false;
+        }
+        if (!Objects.equals(publisher, other.getPublisher())) {
+            return false;
+        }
+        if (!Objects.equals(volume, other.getVolume())) {
+            return false;
+        }
+        if (!Objects.equals(numberOfVolumes, other.getNumberOfVolumes())) {
+            return false;
+        }
+        if (!Objects.equals(numberOfPages, other.getNumberOfPages())) {
+            return false;
+        }
+        return Objects.equals(edition, other.getEdition());
+    }
+
+    public boolean canEqual(final Object obj) {
+        return obj instanceof PublicationWithPublisherProperties;
+    }
+
+    public String toString(final String data) {
+
+        return (String.format("%s{ "
+                              + "publisher = %s, "
+                              + "isbn10 = \"%s\", "
+                              + "isbn13 = \"%s\", "
+                              + "volume = %d, "
+                              + "numberOfVolumes = %d, "
+                              + "numberOfPages = %d, "
+                              + "edition = %s%s"
+                              + "}",
+                              super.toString(),
+                              Objects.toString(publisher),
+                              isbn10,
+                              isbn13,
+                              volume,
+                              numberOfVolumes,
+                              numberOfPages,
+                              Objects.toString(edition),
+                              data));
+    }
+
+    @Override
+    public String toString() {
+        return toString("");
+    }
+
+}
diff --git a/sci-publications/src/main/java/org/scientificcms/SciPublicationsConstants.java b/sci-publications/src/main/java/org/scientificcms/publications/SciPublicationsConstants.java
similarity index 90%
rename from sci-publications/src/main/java/org/scientificcms/SciPublicationsConstants.java
rename to sci-publications/src/main/java/org/scientificcms/publications/SciPublicationsConstants.java
index b377345..e9a1f47 100644
--- a/sci-publications/src/main/java/org/scientificcms/SciPublicationsConstants.java
+++ b/sci-publications/src/main/java/org/scientificcms/publications/SciPublicationsConstants.java
@@ -3,7 +3,7 @@
  * To change this template file, choose Tools | Templates
  * and open the template in the editor.
  */
-package org.scientificcms;
+package org.scientificcms.publications;
 
 /**
  *
diff --git a/sci-publications/src/main/java/org/scientificcms/publications/assets/CollectedVolume.java b/sci-publications/src/main/java/org/scientificcms/publications/assets/CollectedVolume.java
new file mode 100644
index 0000000..6450de4
--- /dev/null
+++ b/sci-publications/src/main/java/org/scientificcms/publications/assets/CollectedVolume.java
@@ -0,0 +1,110 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.scientificcms.publications.assets;
+
+import org.librecms.contentsection.Asset;
+import org.scientificcms.publications.BasicPublicationProperties;
+import org.scientificcms.publications.PublicationWithPublisherProperties;
+
+import java.util.Objects;
+
+import javax.persistence.Entity;
+import javax.persistence.Table;
+
+import static org.scientificcms.publications.SciPublicationsConstants.*;
+
+/**
+ *
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ */
+@Entity
+@Table(name = "COLLECTED_VOLUMES", schema = DB_SCHEMA)
+public class CollectedVolume extends Asset {
+
+    private static final long serialVersionUID = 1L;
+
+    private BasicPublicationProperties basicProperties;
+
+    private PublicationWithPublisherProperties withPublisherProperties;
+
+    public CollectedVolume() {
+
+        super();
+
+        basicProperties = new BasicPublicationProperties();
+        withPublisherProperties = new PublicationWithPublisherProperties();
+    }
+
+    public BasicPublicationProperties getBasicProperties() {
+        return basicProperties;
+    }
+
+    protected void setBasicProperties(
+        final BasicPublicationProperties basicProperties) {
+        this.basicProperties = basicProperties;
+    }
+
+    public PublicationWithPublisherProperties getWithPublisherProperties() {
+        return withPublisherProperties;
+    }
+
+    protected void setWithPublisherProperties(
+        final PublicationWithPublisherProperties withPublisherProperties) {
+        this.withPublisherProperties = withPublisherProperties;
+    }
+
+    @Override
+    public int hashCode() {
+        int hash = super.hashCode();
+        hash = 19 * hash + Objects.hashCode(basicProperties);
+        hash = 19 * hash + Objects.hashCode(withPublisherProperties);
+        return hash;
+    }
+
+    @Override
+    public boolean equals(final Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (obj == null) {
+            return false;
+        }
+        if (!super.equals(obj)) {
+            return false;
+        }
+        if (!(obj instanceof CollectedVolume)) {
+            return false;
+        }
+        final CollectedVolume other = (CollectedVolume) obj;
+        if (!other.canEqual(this)) {
+            return false;
+        }
+        if (!Objects.equals(basicProperties, other.getBasicProperties())) {
+            return false;
+        }
+        return Objects.equals(withPublisherProperties,
+                              other.getWithPublisherProperties());
+    }
+
+    @Override
+    public boolean canEqual(final Object obj) {
+
+        return obj instanceof CollectedVolume;
+    }
+
+    @Override
+    public String toString(final String data) {
+
+        return super.toString(String.format(
+            "basicProperties = %s, "
+                + "withPublisherProperties = %s%s",
+            Objects.toString(basicProperties),
+            Objects.toString(
+                withPublisherProperties),
+            data));
+    }
+
+}
diff --git a/sci-publications/src/main/java/org/scientificcms/publications/assets/Journal.java b/sci-publications/src/main/java/org/scientificcms/publications/assets/Journal.java
index 9846c94..4dc9698 100644
--- a/sci-publications/src/main/java/org/scientificcms/publications/assets/Journal.java
+++ b/sci-publications/src/main/java/org/scientificcms/publications/assets/Journal.java
@@ -18,7 +18,7 @@ import javax.persistence.JoinColumn;
 import javax.persistence.JoinTable;
 import javax.persistence.Table;
 
-import static org.scientificcms.SciPublicationsConstants.*;
+import static org.scientificcms.publications.SciPublicationsConstants.*;
 
 /**
  * Asset for storing informations about a journal.
diff --git a/sci-publications/src/main/java/org/scientificcms/publications/assets/Proceedings.java b/sci-publications/src/main/java/org/scientificcms/publications/assets/Proceedings.java
new file mode 100644
index 0000000..c62bc81
--- /dev/null
+++ b/sci-publications/src/main/java/org/scientificcms/publications/assets/Proceedings.java
@@ -0,0 +1,181 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.scientificcms.publications.assets;
+
+import org.librecms.contentsection.Asset;
+import org.scientificcms.publications.BasicPublicationProperties;
+import org.scientificcms.publications.PublicationWithPublisherProperties;
+
+import java.time.LocalDate;
+import java.util.Objects;
+
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.Table;
+
+import static org.scientificcms.publications.SciPublicationsConstants.*;
+
+/**
+ *
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ */
+@Entity
+@Table(name = "PROCEEDINGS", schema = DB_SCHEMA)
+public class Proceedings extends Asset {
+
+    private static final long serialVersionUID = 1L;
+
+    private BasicPublicationProperties basicProperties;
+
+    private PublicationWithPublisherProperties withPublisherProperties;
+
+    @Column(name = "NAME_OF_CONFERENCE", length = 1024)
+    private String nameOfConference;
+
+    @Column(name = "PLACE_OF_CONFERENCE", length = 1024)
+    private String placeOfConference;
+
+    @Column(name = "START_DATE_OF_CONFERENCE")
+    private LocalDate startDateOfConference;
+
+    @Column(name = "END_DATE_OF_CONFERENCE")
+    private LocalDate endDateOfConference;
+
+    public Proceedings() {
+
+        super();
+
+        basicProperties = new BasicPublicationProperties();
+        withPublisherProperties = new PublicationWithPublisherProperties();
+    }
+
+    public BasicPublicationProperties getBasicProperties() {
+        return basicProperties;
+    }
+
+    protected void setBasicProperties(
+        final BasicPublicationProperties basicProperties) {
+        this.basicProperties = basicProperties;
+    }
+
+    public PublicationWithPublisherProperties getWithPublisherProperties() {
+        return withPublisherProperties;
+    }
+
+    protected void setWithPublisherProperties(
+        final PublicationWithPublisherProperties withPublisherProperties) {
+        this.withPublisherProperties = withPublisherProperties;
+    }
+
+    public String getNameOfConference() {
+        return nameOfConference;
+    }
+
+    public void setNameOfConference(final String nameOfConference) {
+        this.nameOfConference = nameOfConference;
+    }
+
+    public String getPlaceOfConference() {
+        return placeOfConference;
+    }
+
+    public void setPlaceOfConference(final String placeOfConference) {
+        this.placeOfConference = placeOfConference;
+    }
+
+    public LocalDate getStartDateOfConference() {
+        return startDateOfConference;
+    }
+
+    public void setStartDateOfConference(final LocalDate startDateOfConference) {
+        this.startDateOfConference = startDateOfConference;
+    }
+
+    public LocalDate getEndDateOfConference() {
+        return endDateOfConference;
+    }
+
+    public void setEndDateOfConference(final LocalDate endDateOfConference) {
+        this.endDateOfConference = endDateOfConference;
+    }
+
+    @Override
+    public int hashCode() {
+        int hash = super.hashCode();
+        hash = 19 * hash + Objects.hashCode(basicProperties);
+        hash = 19 * hash + Objects.hashCode(withPublisherProperties);
+        hash = 19 * hash + Objects.hashCode(nameOfConference);
+        hash = 19 * hash + Objects.hashCode(placeOfConference);
+        hash = 19 * hash + Objects.hashCode(startDateOfConference);
+        hash = 19 * hash + Objects.hashCode(endDateOfConference);
+        return hash;
+    }
+
+    @Override
+    public boolean equals(final Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (obj == null) {
+            return false;
+        }
+        if (!super.equals(obj)) {
+            return false;
+        }
+        if (!(obj instanceof Proceedings)) {
+            return false;
+        }
+        final Proceedings other = (Proceedings) obj;
+        if (!other.canEqual(this)) {
+            return false;
+        }
+        if (!Objects.equals(basicProperties, other.getBasicProperties())) {
+            return false;
+        }
+        if (!Objects.equals(withPublisherProperties,
+                            other.getWithPublisherProperties())) {
+            return false;
+        }
+        if (!Objects.equals(nameOfConference, other.getNameOfConference())) {
+            return false;
+        }
+        if (!Objects.equals(placeOfConference, other.getPlaceOfConference())) {
+            return false;
+        }
+        if (!Objects.equals(startDateOfConference,
+                            other.getStartDateOfConference())) {
+            return false;
+        }
+        return Objects.equals(endDateOfConference,
+                              other.getEndDateOfConference());
+    }
+
+    @Override
+    public boolean canEqual(final Object obj) {
+
+        return obj instanceof Proceedings;
+    }
+
+    @Override
+    public String toString(final String data) {
+
+        return super.toString(String.format(
+            "basicProperties = %s, "
+                + "withPublisherProperties = %s, "
+                + "nameOfConference = \"%s\", "
+                + "placeOfConference = \"%s\", "
+                + "startDateOfConference = \"%s\", "
+                + "endDateOfConference = \"%s\"%s",
+            Objects.toString(basicProperties),
+            Objects.toString(withPublisherProperties),
+            nameOfConference,
+            placeOfConference,
+            Objects.toString(startDateOfConference),
+            Objects.toString(endDateOfConference),
+            data));
+    }
+
+}
diff --git a/sci-publications/src/main/java/org/scientificcms/publications/assets/Publisher.java b/sci-publications/src/main/java/org/scientificcms/publications/assets/Publisher.java
index e497fd9..dfd9d4d 100644
--- a/sci-publications/src/main/java/org/scientificcms/publications/assets/Publisher.java
+++ b/sci-publications/src/main/java/org/scientificcms/publications/assets/Publisher.java
@@ -14,7 +14,7 @@ import javax.persistence.Column;
 import javax.persistence.Entity;
 import javax.persistence.Table;
 
-import static org.scientificcms.SciPublicationsConstants.*;
+import static org.scientificcms.publications.SciPublicationsConstants.*;
 
 /**
  * An asset for storing the informations about a publisher required to create
diff --git a/sci-publications/src/main/java/org/scientificcms/publications/contenttypes/CollectedVolumeItem.java b/sci-publications/src/main/java/org/scientificcms/publications/contenttypes/CollectedVolumeItem.java
new file mode 100644
index 0000000..4fd05d9
--- /dev/null
+++ b/sci-publications/src/main/java/org/scientificcms/publications/contenttypes/CollectedVolumeItem.java
@@ -0,0 +1,83 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.scientificcms.publications.contenttypes;
+
+import org.scientificcms.publications.assets.CollectedVolume;
+
+import java.util.Objects;
+
+import javax.persistence.Entity;
+import javax.persistence.JoinColumn;
+import javax.persistence.OneToOne;
+import javax.persistence.Table;
+
+import static org.scientificcms.publications.SciPublicationsConstants.*;
+
+/**
+ *
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ */
+@Entity
+@Table(name = "COLLECTED_VOLUME_ITEMS", schema = DB_SCHEMA)
+public class CollectedVolumeItem extends Publication {
+
+    private static final long serialVersionUID = 1L;
+
+    @OneToOne
+    @JoinColumn(name = "DATA_ID")
+    private CollectedVolume publicationData;
+
+    public CollectedVolume getPublicationData() {
+        return publicationData;
+    }
+
+    protected void setPublicationData(final CollectedVolume publicationData) {
+        this.publicationData = publicationData;
+    }
+
+    @Override
+    public int hashCode() {
+        int hash = super.hashCode();
+        hash = 43 * hash + Objects.hashCode(publicationData);
+        return hash;
+    }
+
+    @Override
+    public boolean equals(final Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (obj == null) {
+            return false;
+        }
+        if (!super.equals(obj)) {
+            return false;
+        }
+        if (!(obj instanceof CollectedVolumeItem)) {
+            return false;
+        }
+        final CollectedVolumeItem other = (CollectedVolumeItem) obj;
+        if (!other.canEqual(this)) {
+            return false;
+        }
+        return Objects.equals(publicationData, other.getPublicationData());
+    }
+
+    @Override
+    public boolean canEqual(final Object obj) {
+
+        return obj instanceof CollectedVolumeItem;
+    }
+
+    @Override
+    public String toString(final String data) {
+
+        return super.toString(String.format("data = %s%s",
+                                            Objects.toString(publicationData),
+                                            data));
+    }
+
+}
diff --git a/sci-publications/src/main/java/org/scientificcms/publications/contenttypes/ProceedingsItem.java b/sci-publications/src/main/java/org/scientificcms/publications/contenttypes/ProceedingsItem.java
new file mode 100644
index 0000000..86baf9a
--- /dev/null
+++ b/sci-publications/src/main/java/org/scientificcms/publications/contenttypes/ProceedingsItem.java
@@ -0,0 +1,83 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.scientificcms.publications.contenttypes;
+
+import org.scientificcms.publications.assets.Proceedings;
+
+import java.util.Objects;
+
+import javax.persistence.Entity;
+import javax.persistence.JoinColumn;
+import javax.persistence.OneToOne;
+import javax.persistence.Table;
+
+import static org.scientificcms.publications.SciPublicationsConstants.*;
+
+/**
+ *
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ */
+@Entity
+@Table(name = "PROCEEDINGS_ITEMS", schema = DB_SCHEMA)
+public class ProceedingsItem extends Publication {
+
+    private static final long serialVersionUID = 1L;
+
+    @OneToOne
+    @JoinColumn(name = "DATA_ID")
+    private Proceedings publicationData;
+
+    public Proceedings getPublicationData() {
+        return publicationData;
+    }
+
+    protected void setPublicationData(final Proceedings publicationData) {
+        this.publicationData = publicationData;
+    }
+
+    @Override
+    public int hashCode() {
+        int hash = super.hashCode();
+        hash = 43 * hash + Objects.hashCode(publicationData);
+        return hash;
+    }
+
+    @Override
+    public boolean equals(final Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (obj == null) {
+            return false;
+        }
+        if (!super.equals(obj)) {
+            return false;
+        }
+        if (!(obj instanceof ProceedingsItem)) {
+            return false;
+        }
+        final ProceedingsItem other = (ProceedingsItem) obj;
+        if (!other.canEqual(this)) {
+            return false;
+        }
+        return Objects.equals(publicationData, other.getPublicationData());
+    }
+
+    @Override
+    public boolean canEqual(final Object obj) {
+
+        return obj instanceof ProceedingsItem;
+    }
+
+    @Override
+    public String toString(final String data) {
+
+        return super.toString(String.format("data = %s%s",
+                                            Objects.toString(publicationData),
+                                            data));
+    }
+
+}
diff --git a/sci-publications/src/main/java/org/scientificcms/publications/contenttypes/Publication.java b/sci-publications/src/main/java/org/scientificcms/publications/contenttypes/Publication.java
new file mode 100644
index 0000000..6af19e9
--- /dev/null
+++ b/sci-publications/src/main/java/org/scientificcms/publications/contenttypes/Publication.java
@@ -0,0 +1,25 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.scientificcms.publications.contenttypes;
+
+import org.librecms.contentsection.ContentItem;
+
+import javax.persistence.Entity;
+import javax.persistence.Table;
+
+import static org.scientificcms.publications.SciPublicationsConstants.*;
+
+/**
+ *
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ */
+@Entity
+@Table(name = "PUBLICATIONS", schema = DB_SCHEMA)
+public class Publication extends ContentItem {
+    
+    private static final long serialVersionUID = 1L;
+    
+}
diff --git a/sci-publications/src/main/java/org/scientificcms/publications/contenttypes/PublicationItem.java b/sci-publications/src/main/java/org/scientificcms/publications/contenttypes/PublicationItem.java
new file mode 100644
index 0000000..adb2d1e
--- /dev/null
+++ b/sci-publications/src/main/java/org/scientificcms/publications/contenttypes/PublicationItem.java
@@ -0,0 +1,91 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.scientificcms.publications.contenttypes;
+
+import org.librecms.contentsection.ContentItem;
+import org.scientificcms.publications.BasicPublicationProperties;
+
+import java.util.Objects;
+
+import javax.persistence.Embedded;
+import javax.persistence.Entity;
+import javax.persistence.Table;
+
+import static org.scientificcms.publications.SciPublicationsConstants.*;
+
+/**
+ *
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ */
+@Entity
+@Table(name = "PUBLICATION_ITEMS", schema = DB_SCHEMA)
+public class PublicationItem extends Publication {
+
+    private static final long serialVersionUID = 1L;
+
+    @Embedded
+    private BasicPublicationProperties basicProperties;
+
+    public PublicationItem() {
+        
+        super();
+        
+        basicProperties = new BasicPublicationProperties();
+    }
+    
+    public BasicPublicationProperties getBasicProperties() {
+        return basicProperties;
+    }
+
+    protected void setBasicProperties(
+        final BasicPublicationProperties basicProperties) {
+
+        this.basicProperties = basicProperties;
+    }
+
+    @Override
+    public int hashCode() {
+        int hash = super.hashCode();
+        hash = 59 * hash + Objects.hashCode(basicProperties);
+        return hash;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+
+        if (this == obj) {
+            return true;
+        }
+        if (obj == null) {
+            return false;
+        }
+        if (!super.equals(obj)) {
+            return false;
+        }
+        if (!(obj instanceof PublicationItem)) {
+            return false;
+        }
+        final PublicationItem other = (PublicationItem) obj;
+        if (!other.canEqual(this)) {
+            return false;
+        }
+        return Objects.equals(basicProperties, other.getBasicProperties());
+    }
+
+    @Override
+    public boolean canEqual(final Object obj) {
+
+        return obj instanceof PublicationItem;
+    }
+
+    @Override
+    public String toString(final String data) {
+        return super.toString(String.format("basicProperties = %s%s",
+                                            Objects.toString(basicProperties),
+                                            data));
+    }
+
+}
diff --git a/sci-publications/src/main/java/org/scientificcms/publications/contenttypes/PublicationWithPublisher.java b/sci-publications/src/main/java/org/scientificcms/publications/contenttypes/PublicationWithPublisher.java
new file mode 100644
index 0000000..5ffb874
--- /dev/null
+++ b/sci-publications/src/main/java/org/scientificcms/publications/contenttypes/PublicationWithPublisher.java
@@ -0,0 +1,82 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.scientificcms.publications.contenttypes;
+
+import org.scientificcms.publications.PublicationWithPublisherProperties;
+
+import java.util.Objects;
+
+import javax.persistence.Embedded;
+
+/**
+ *
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ */
+public class PublicationWithPublisher extends PublicationItem {
+
+    private static final long serialVersionUID = 1L;
+
+    @Embedded
+    private PublicationWithPublisherProperties withPublisherProperties;
+
+    public PublicationWithPublisher() {
+
+        this.withPublisherProperties = new PublicationWithPublisherProperties();
+    }
+
+    public PublicationWithPublisherProperties getWithPublisherProperties() {
+        return withPublisherProperties;
+    }
+
+    protected void setWithPublisherProperties(
+        final PublicationWithPublisherProperties withPublisherProperties) {
+        this.withPublisherProperties = withPublisherProperties;
+    }
+
+    @Override
+    public int hashCode() {
+        int hash = super.hashCode();
+        hash = 79 * hash + Objects.hashCode(withPublisherProperties);
+        return hash;
+    }
+
+    @Override
+    public boolean equals(final Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (obj == null) {
+            return false;
+        }
+        if (!super.equals(this)) {
+            return false;
+        }
+        if (!(obj instanceof PublicationWithPublisher)) {
+            return false;
+        }
+        final PublicationWithPublisher other = (PublicationWithPublisher) obj;
+        if (!other.canEqual(this)) {
+            return false;
+        }
+        return Objects.equals(withPublisherProperties,
+                              other.getWithPublisherProperties());
+    }
+
+    @Override
+    public boolean canEqual(final Object obj) {
+        return obj instanceof PublicationWithPublisher;
+    }
+
+    @Override
+    public String toString(final String data) {
+
+        return super.toString(String.format("withPublisherProperties = %s%s",
+                                            Objects.toString(
+                                                withPublisherProperties),
+                                            data));
+    }
+
+}