diff --git a/sci-publications/src/main/java/org/scientificcms/publications/AbstractPublicationWithPublisherImExporter.java b/sci-publications/src/main/java/org/scientificcms/publications/AbstractPublicationWithPublisherImExporter.java
index 601661c..621d208 100644
--- a/sci-publications/src/main/java/org/scientificcms/publications/AbstractPublicationWithPublisherImExporter.java
+++ b/sci-publications/src/main/java/org/scientificcms/publications/AbstractPublicationWithPublisherImExporter.java
@@ -2,6 +2,8 @@ package org.scientificcms.publications;
 
 import java.util.Set;
 
+import javax.annotation.PostConstruct;
+
 
 /**
  *
@@ -11,6 +13,7 @@ import java.util.Set;
 public abstract class AbstractPublicationWithPublisherImExporter<T extends PublicationWithPublisher>
     extends AbstractPublicationImExporter<T> {
     
+    @PostConstruct
     @Override
     protected final void init() {
         addRequiredEntities(
diff --git a/sci-publications/src/main/java/org/scientificcms/publications/AbstractUnPublishedImExporter.java b/sci-publications/src/main/java/org/scientificcms/publications/AbstractUnPublishedImExporter.java
index 30319d0..769075c 100644
--- a/sci-publications/src/main/java/org/scientificcms/publications/AbstractUnPublishedImExporter.java
+++ b/sci-publications/src/main/java/org/scientificcms/publications/AbstractUnPublishedImExporter.java
@@ -4,6 +4,8 @@ import org.librecms.assets.Organization;
 
 import java.util.Set;
 
+import javax.annotation.PostConstruct;
+
 /**
  *
  * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
@@ -12,6 +14,7 @@ import java.util.Set;
 public abstract class AbstractUnPublishedImExporter<T extends UnPublished>
     extends AbstractPublicationImExporter<T> {
 
+    @PostConstruct
     @Override
     protected final void init() {
         addRequiredEntities(
diff --git a/sci-publications/src/main/java/org/scientificcms/publications/ArticleInCollectedVolume.java b/sci-publications/src/main/java/org/scientificcms/publications/ArticleInCollectedVolume.java
index 91eecfc..5d8a315 100644
--- a/sci-publications/src/main/java/org/scientificcms/publications/ArticleInCollectedVolume.java
+++ b/sci-publications/src/main/java/org/scientificcms/publications/ArticleInCollectedVolume.java
@@ -25,7 +25,8 @@ import static org.scientificcms.publications.SciPublicationsConstants.*;
 @JsonIdentityInfo(
     generator = ObjectIdGenerators.PropertyGenerator.class,
     resolver = ArticleInCollectedVolumeIdResolver.class,
-    property = "uuid"
+    property = "uuid",
+    scope = ArticleInCollectedVolume.class
 )
 public class ArticleInCollectedVolume extends Publication {
 
diff --git a/sci-publications/src/main/java/org/scientificcms/publications/ArticleInJournal.java b/sci-publications/src/main/java/org/scientificcms/publications/ArticleInJournal.java
index 58945fa..6e1db8f 100644
--- a/sci-publications/src/main/java/org/scientificcms/publications/ArticleInJournal.java
+++ b/sci-publications/src/main/java/org/scientificcms/publications/ArticleInJournal.java
@@ -26,7 +26,8 @@ import static org.scientificcms.publications.SciPublicationsConstants.*;
 @JsonIdentityInfo(
     generator = ObjectIdGenerators.PropertyGenerator.class,
     resolver = ArticleInCollectedVolumeIdResolver.class,
-    property = "uuid"
+    property = "uuid",
+    scope = ArticleInJournal.class
 )
 public class ArticleInJournal extends Publication {
 
diff --git a/sci-publications/src/main/java/org/scientificcms/publications/Authorship.java b/sci-publications/src/main/java/org/scientificcms/publications/Authorship.java
index 6a53e17..95db734 100644
--- a/sci-publications/src/main/java/org/scientificcms/publications/Authorship.java
+++ b/sci-publications/src/main/java/org/scientificcms/publications/Authorship.java
@@ -35,7 +35,8 @@ import static org.scientificcms.publications.SciPublicationsConstants.*;
 @Audited
 @JsonIdentityInfo(
     generator = ObjectIdGenerators.PropertyGenerator.class,
-    property = "uuid"
+    property = "uuid",
+    scope = Authorship.class
 )
 public class Authorship 
     implements Exportable, Serializable, Comparable<Authorship> {
diff --git a/sci-publications/src/main/java/org/scientificcms/publications/CollectedVolume.java b/sci-publications/src/main/java/org/scientificcms/publications/CollectedVolume.java
index 6c04118..a579d83 100644
--- a/sci-publications/src/main/java/org/scientificcms/publications/CollectedVolume.java
+++ b/sci-publications/src/main/java/org/scientificcms/publications/CollectedVolume.java
@@ -26,7 +26,8 @@ import static org.scientificcms.publications.SciPublicationsConstants.*;
 @JsonIdentityInfo(
     generator = ObjectIdGenerators.PropertyGenerator.class,
     resolver = CollectedVolumeIdResolver.class,
-    property = "uuid"
+    property = "uuid",
+    scope = CollectedVolume.class
 )
 public class CollectedVolume extends PublicationWithPublisher {
 
diff --git a/sci-publications/src/main/java/org/scientificcms/publications/Expertise.java b/sci-publications/src/main/java/org/scientificcms/publications/Expertise.java
index 57096e2..6c22bfc 100644
--- a/sci-publications/src/main/java/org/scientificcms/publications/Expertise.java
+++ b/sci-publications/src/main/java/org/scientificcms/publications/Expertise.java
@@ -26,7 +26,8 @@ import static org.scientificcms.publications.SciPublicationsConstants.*;
 @JsonIdentityInfo(
     generator = ObjectIdGenerators.PropertyGenerator.class,
     resolver = ExpertiseIdResolver.class,
-    property = "uuid"
+    property = "uuid",
+    scope = Expertise.class
 )
 public class Expertise extends Publication {
 
diff --git a/sci-publications/src/main/java/org/scientificcms/publications/GreyLiterature.java b/sci-publications/src/main/java/org/scientificcms/publications/GreyLiterature.java
index 9b95de6..920bcda 100644
--- a/sci-publications/src/main/java/org/scientificcms/publications/GreyLiterature.java
+++ b/sci-publications/src/main/java/org/scientificcms/publications/GreyLiterature.java
@@ -20,7 +20,8 @@ import static org.scientificcms.publications.SciPublicationsConstants.*;
 @JsonIdentityInfo(
     generator = ObjectIdGenerators.PropertyGenerator.class,
     resolver = GreyLiteratureIdResolver.class,
-    property = "uuid"
+    property = "uuid",
+    scope = GreyLiterature.class
 )
 public class GreyLiterature extends UnPublished {
 
diff --git a/sci-publications/src/main/java/org/scientificcms/publications/InProceedings.java b/sci-publications/src/main/java/org/scientificcms/publications/InProceedings.java
index a144b90..6b0b5fd 100644
--- a/sci-publications/src/main/java/org/scientificcms/publications/InProceedings.java
+++ b/sci-publications/src/main/java/org/scientificcms/publications/InProceedings.java
@@ -25,7 +25,8 @@ import static org.scientificcms.publications.SciPublicationsConstants.*;
 @JsonIdentityInfo(
     generator = ObjectIdGenerators.PropertyGenerator.class,
     resolver = InProceedingsIdResolver.class,
-    property = "uuid"
+    property = "uuid",
+    scope = InProceedings.class
 )
 public class InProceedings extends Publication {
 
diff --git a/sci-publications/src/main/java/org/scientificcms/publications/InternetArticle.java b/sci-publications/src/main/java/org/scientificcms/publications/InternetArticle.java
index 717b90b..3e2e0ec 100644
--- a/sci-publications/src/main/java/org/scientificcms/publications/InternetArticle.java
+++ b/sci-publications/src/main/java/org/scientificcms/publications/InternetArticle.java
@@ -27,7 +27,8 @@ import static org.scientificcms.publications.SciPublicationsConstants.*;
 @JsonIdentityInfo(
     generator = ObjectIdGenerators.PropertyGenerator.class,
     resolver = InternetArticleIdResolver.class,
-    property = "uuid"
+    property = "uuid",
+    scope = InternetArticle.class
 )
 public class InternetArticle extends Publication {
 
diff --git a/sci-publications/src/main/java/org/scientificcms/publications/Journal.java b/sci-publications/src/main/java/org/scientificcms/publications/Journal.java
index 5ba9b41..82d64e5 100644
--- a/sci-publications/src/main/java/org/scientificcms/publications/Journal.java
+++ b/sci-publications/src/main/java/org/scientificcms/publications/Journal.java
@@ -55,7 +55,8 @@ import static org.scientificcms.publications.SciPublicationsConstants.*;
 @JsonIdentityInfo(
     generator = ObjectIdGenerators.PropertyGenerator.class,
     resolver = JournalIdResolver.class,
-    property = "uuid"
+    property = "uuid",
+    scope = Journal.class
 )
 public class Journal implements Exportable, Serializable {
 
diff --git a/sci-publications/src/main/java/org/scientificcms/publications/Monograph.java b/sci-publications/src/main/java/org/scientificcms/publications/Monograph.java
index 728d991..2f8f37d 100644
--- a/sci-publications/src/main/java/org/scientificcms/publications/Monograph.java
+++ b/sci-publications/src/main/java/org/scientificcms/publications/Monograph.java
@@ -22,7 +22,8 @@ import static org.scientificcms.publications.SciPublicationsConstants.*;
 @JsonIdentityInfo(
     generator = ObjectIdGenerators.PropertyGenerator.class,
     resolver = MonographIdResolver.class,
-    property = "uuid"
+    property = "uuid",
+    scope = Monograph.class
 )
 public class Monograph extends PublicationWithPublisher {
 
diff --git a/sci-publications/src/main/java/org/scientificcms/publications/Proceedings.java b/sci-publications/src/main/java/org/scientificcms/publications/Proceedings.java
index 2ff2677..55abbda 100644
--- a/sci-publications/src/main/java/org/scientificcms/publications/Proceedings.java
+++ b/sci-publications/src/main/java/org/scientificcms/publications/Proceedings.java
@@ -32,7 +32,8 @@ import static org.scientificcms.publications.SciPublicationsConstants.*;
 @JsonIdentityInfo(
     generator = ObjectIdGenerators.PropertyGenerator.class,
     resolver = ProceedingsIdResolver.class,
-    property = "uuid"
+    property = "uuid",
+    scope = Proceedings.class
 )
 public class Proceedings extends PublicationWithPublisher {
 
diff --git a/sci-publications/src/main/java/org/scientificcms/publications/Publication.java b/sci-publications/src/main/java/org/scientificcms/publications/Publication.java
index 1481340..d6f4d80 100644
--- a/sci-publications/src/main/java/org/scientificcms/publications/Publication.java
+++ b/sci-publications/src/main/java/org/scientificcms/publications/Publication.java
@@ -95,7 +95,8 @@ import static org.scientificcms.publications.SciPublicationsConstants.*;
 @JsonIdentityInfo(
     generator = ObjectIdGenerators.PropertyGenerator.class,
     resolver = PublicationIdResolver.class,
-    property = "uuid"
+    property = "uuid",
+    scope = Publication.class
 )
 public class Publication implements Exportable, Serializable {
 
diff --git a/sci-publications/src/main/java/org/scientificcms/publications/PublicationIdResolver.java b/sci-publications/src/main/java/org/scientificcms/publications/PublicationIdResolver.java
index 075d4f0..a51ce87 100644
--- a/sci-publications/src/main/java/org/scientificcms/publications/PublicationIdResolver.java
+++ b/sci-publications/src/main/java/org/scientificcms/publications/PublicationIdResolver.java
@@ -36,7 +36,7 @@ public class PublicationIdResolver implements Serializable, ObjectIdResolver {
             .orElseThrow(
                 () -> new IllegalArgumentException(
                     String.format(
-                        "No Publiation with UUID %s found in database.",
+                        "No Publication with UUID %s found in database.",
                         id.key.toString()
                     )
                 )
diff --git a/sci-publications/src/main/java/org/scientificcms/publications/PublicationWithPublisher.java b/sci-publications/src/main/java/org/scientificcms/publications/PublicationWithPublisher.java
index 9b9248c..f8ea78b 100644
--- a/sci-publications/src/main/java/org/scientificcms/publications/PublicationWithPublisher.java
+++ b/sci-publications/src/main/java/org/scientificcms/publications/PublicationWithPublisher.java
@@ -59,7 +59,8 @@ import static org.scientificcms.publications.SciPublicationsConstants.*;
 @JsonIdentityInfo(
     generator = ObjectIdGenerators.PropertyGenerator.class,
     resolver = PublicationWithPublisherIdResolver.class,
-    property = "uuid"
+    property = "uuid",
+    scope = PublicationWithPublisher.class
 )
 public class PublicationWithPublisher extends Publication {
 
diff --git a/sci-publications/src/main/java/org/scientificcms/publications/Publisher.java b/sci-publications/src/main/java/org/scientificcms/publications/Publisher.java
index 343eda4..e755fb5 100644
--- a/sci-publications/src/main/java/org/scientificcms/publications/Publisher.java
+++ b/sci-publications/src/main/java/org/scientificcms/publications/Publisher.java
@@ -50,7 +50,8 @@ import static org.scientificcms.publications.SciPublicationsConstants.*;
 @JsonIdentityInfo(
     generator = ObjectIdGenerators.PropertyGenerator.class,
     resolver = PublisherIdResolver.class,
-    property = "uuid"
+    property = "uuid",
+    scope = Publisher.class
 )
 public class Publisher implements Exportable, Serializable {
 
diff --git a/sci-publications/src/main/java/org/scientificcms/publications/PublisherIdResolver.java b/sci-publications/src/main/java/org/scientificcms/publications/PublisherIdResolver.java
index 60acaa8..b153c41 100644
--- a/sci-publications/src/main/java/org/scientificcms/publications/PublisherIdResolver.java
+++ b/sci-publications/src/main/java/org/scientificcms/publications/PublisherIdResolver.java
@@ -34,7 +34,7 @@ public class PublisherIdResolver implements Serializable, ObjectIdResolver {
             .orElseThrow(
                 () -> new IllegalArgumentException(
                     String.format(
-                        "No Pubisher with UUID %s found in the database.",
+                        "No Publisher with UUID %s found in the database.",
                         id.key.toString()
                     )
                 )
@@ -43,12 +43,12 @@ public class PublisherIdResolver implements Serializable, ObjectIdResolver {
 
     @Override
     public ObjectIdResolver newForDeserialization(final Object context) {
-        return new PublicationIdResolver();
+        return new PublisherIdResolver();
     }
 
     @Override
     public boolean canUseFor(final ObjectIdResolver resolverType) {
-        return resolverType instanceof PublicationIdResolver;
+        return resolverType instanceof PublisherIdResolver;
     }
     
     
diff --git a/sci-publications/src/main/java/org/scientificcms/publications/Series.java b/sci-publications/src/main/java/org/scientificcms/publications/Series.java
index 43bb812..f2fe751 100644
--- a/sci-publications/src/main/java/org/scientificcms/publications/Series.java
+++ b/sci-publications/src/main/java/org/scientificcms/publications/Series.java
@@ -49,7 +49,8 @@ import static org.scientificcms.publications.SciPublicationsConstants.*;
 @JsonIdentityInfo(
     generator = ObjectIdGenerators.PropertyGenerator.class,
     resolver = SeriesIdResolver.class,
-    property = "uuid"
+    property = "uuid",
+    scope = Series.class
 )
 public class Series implements Exportable, Serializable {
 
diff --git a/sci-publications/src/main/java/org/scientificcms/publications/Talk.java b/sci-publications/src/main/java/org/scientificcms/publications/Talk.java
index 30c027c..6c3a658 100644
--- a/sci-publications/src/main/java/org/scientificcms/publications/Talk.java
+++ b/sci-publications/src/main/java/org/scientificcms/publications/Talk.java
@@ -23,7 +23,8 @@ import static org.scientificcms.publications.SciPublicationsConstants.*;
 @JsonIdentityInfo(
     generator = ObjectIdGenerators.PropertyGenerator.class,
     resolver = TalkIdResolver.class,
-    property = "uuid"
+    property = "uuid",
+    scope = Talk.class
 )
 public class Talk extends Publication {
 
diff --git a/sci-publications/src/main/java/org/scientificcms/publications/UnPublished.java b/sci-publications/src/main/java/org/scientificcms/publications/UnPublished.java
index d72bce2..e4b3526 100644
--- a/sci-publications/src/main/java/org/scientificcms/publications/UnPublished.java
+++ b/sci-publications/src/main/java/org/scientificcms/publications/UnPublished.java
@@ -30,7 +30,8 @@ import static org.scientificcms.publications.SciPublicationsConstants.*;
 @JsonIdentityInfo(
     generator = ObjectIdGenerators.PropertyGenerator.class,
     resolver = UnPublishedIdResolver.class,
-    property = "uuid"
+    property = "uuid",
+    scope = UnPublished.class
 )
 public class UnPublished extends Publication {
 
diff --git a/sci-publications/src/main/java/org/scientificcms/publications/VolumeInSeries.java b/sci-publications/src/main/java/org/scientificcms/publications/VolumeInSeries.java
index 316731f..20f3fcb 100644
--- a/sci-publications/src/main/java/org/scientificcms/publications/VolumeInSeries.java
+++ b/sci-publications/src/main/java/org/scientificcms/publications/VolumeInSeries.java
@@ -29,7 +29,8 @@ import static org.scientificcms.publications.SciPublicationsConstants.*;
 @Audited
 @JsonIdentityInfo(
     generator = ObjectIdGenerators.PropertyGenerator.class,
-    property = "uuid"
+    property = "uuid",
+    scope = VolumeInSeries.class
 )
 public class VolumeInSeries implements Exportable, Serializable {
 
diff --git a/sci-publications/src/main/java/org/scientificcms/publications/WorkingPaper.java b/sci-publications/src/main/java/org/scientificcms/publications/WorkingPaper.java
index 6b111ef..347e4b8 100644
--- a/sci-publications/src/main/java/org/scientificcms/publications/WorkingPaper.java
+++ b/sci-publications/src/main/java/org/scientificcms/publications/WorkingPaper.java
@@ -19,7 +19,8 @@ import static org.scientificcms.publications.SciPublicationsConstants.*;
 @JsonIdentityInfo(
     generator = ObjectIdGenerators.PropertyGenerator.class,
     resolver = WorkingPaperIdResolver.class,
-    property = "uuid"
+    property = "uuid",
+    scope = WorkingPaper.class
 )
 public class WorkingPaper extends UnPublished {
 
diff --git a/sci-publications/src/main/java/org/scientificcms/publications/assets/PublisherAssetImExporter.java b/sci-publications/src/main/java/org/scientificcms/publications/assets/PublisherAssetImExporter.java
index ab796aa..bc9e240 100644
--- a/sci-publications/src/main/java/org/scientificcms/publications/assets/PublisherAssetImExporter.java
+++ b/sci-publications/src/main/java/org/scientificcms/publications/assets/PublisherAssetImExporter.java
@@ -3,8 +3,10 @@ package org.scientificcms.publications.assets;
 import org.libreccm.imexport.AbstractEntityImExporter;
 import org.libreccm.imexport.Processes;
 import org.librecms.contentsection.AssetRepository;
+import org.scientificcms.publications.Publisher;
 
 import java.util.Objects;
+import java.util.Set;
 
 import javax.annotation.PostConstruct;
 import javax.enterprise.context.RequestScoped;
@@ -26,7 +28,7 @@ public class PublisherAssetImExporter
     @PostConstruct
     @Override
     protected void init() {
-        // Nothing
+        addRequiredEntities(Set.of(Publisher.class));
     }
 
     @Override
diff --git a/sci-types-department/src/main/java/org/scientificcms/contenttypes/scidepartment/Membership.java b/sci-types-department/src/main/java/org/scientificcms/contenttypes/scidepartment/Membership.java
index 7bb7588..6246b14 100644
--- a/sci-types-department/src/main/java/org/scientificcms/contenttypes/scidepartment/Membership.java
+++ b/sci-types-department/src/main/java/org/scientificcms/contenttypes/scidepartment/Membership.java
@@ -34,7 +34,8 @@ import static org.scientificcms.contenttypes.scidepartment.SciDepartmentConstant
 @Table(name = "DEPARTMENT_MEMBERSHIPS", schema = DB_SCHEMA)
 @JsonIdentityInfo(
     generator = ObjectIdGenerators.PropertyGenerator.class,
-    property = "uuid"
+    property = "uuid",
+    scope = Membership.class
 )
 public class Membership implements Exportable, Serializable {
 
diff --git a/sci-types-department/src/main/java/org/scientificcms/contenttypes/scidepartment/SciDepartment.java b/sci-types-department/src/main/java/org/scientificcms/contenttypes/scidepartment/SciDepartment.java
index 089c4a3..9d7e245 100644
--- a/sci-types-department/src/main/java/org/scientificcms/contenttypes/scidepartment/SciDepartment.java
+++ b/sci-types-department/src/main/java/org/scientificcms/contenttypes/scidepartment/SciDepartment.java
@@ -53,7 +53,8 @@ import static org.scientificcms.contenttypes.scidepartment.SciDepartmentConstant
 @JsonIdentityInfo(
     generator = ObjectIdGenerators.PropertyGenerator.class,
     resolver = SciDepartmentIdResolver.class,
-    property = "uuid"
+    property = "uuid",
+    scope = SciDepartment.class
 )
 public class SciDepartment extends ContentItem implements Serializable {
 
diff --git a/sci-types-project/src/main/java/org/scientificcms/contenttypes/sciproject/Membership.java b/sci-types-project/src/main/java/org/scientificcms/contenttypes/sciproject/Membership.java
index 70c3c47..92c6e98 100644
--- a/sci-types-project/src/main/java/org/scientificcms/contenttypes/sciproject/Membership.java
+++ b/sci-types-project/src/main/java/org/scientificcms/contenttypes/sciproject/Membership.java
@@ -33,7 +33,8 @@ import static org.scientificcms.contenttypes.sciproject.SciProjectConstants.*;
 @Table(name = "PROJECT_MEMBERSHIPS", schema = DB_SCHEMA)
 @JsonIdentityInfo(
     generator = ObjectIdGenerators.PropertyGenerator.class,
-    property = "uuid"
+    property = "uuid",
+    scope = Membership.class
 )
 public class Membership implements Exportable, Serializable {
 
diff --git a/sci-types-project/src/main/java/org/scientificcms/contenttypes/sciproject/SciProject.java b/sci-types-project/src/main/java/org/scientificcms/contenttypes/sciproject/SciProject.java
index 7e9125b..4d058d1 100644
--- a/sci-types-project/src/main/java/org/scientificcms/contenttypes/sciproject/SciProject.java
+++ b/sci-types-project/src/main/java/org/scientificcms/contenttypes/sciproject/SciProject.java
@@ -90,7 +90,8 @@ import static org.scientificcms.contenttypes.sciproject.SciProjectConstants.*;
 @JsonIdentityInfo(
     generator = ObjectIdGenerators.PropertyGenerator.class,
     resolver = SciProjectIdResolver.class,
-    property = "uuid"
+    property = "uuid",
+    scope = SciProject.class
 )
 public class SciProject extends ContentItem implements Serializable {