diff --git a/oaipmh-core/src/main/java/info/textgrid/middleware/IdentifierListDelivererDC.java b/oaipmh-core/src/main/java/info/textgrid/middleware/IdentifierListDelivererDC.java
index 33b41aaa0b1414b3c6f48e548157c796eff653cd..7dd252ef896ba226da2466f9cff9234258a7c542 100644
--- a/oaipmh-core/src/main/java/info/textgrid/middleware/IdentifierListDelivererDC.java
+++ b/oaipmh-core/src/main/java/info/textgrid/middleware/IdentifierListDelivererDC.java
@@ -188,11 +188,15 @@ public class IdentifierListDelivererDC extends IdentifierListDelivererAbstract {
 
         System.out.println("  ##  dateOfObjectCreation  -->  " + this.dateOfObjectCreation);
 
-        this.datestamp = hit.getSourceAsMap().get(this.dateOfObjectCreation).toString();
-
         try {
           this.datestamp = hit.getSourceAsMap().get(this.dateOfObjectCreation).toString();
+
+          System.out.println("  ##  datestamp  -->  " + this.datestamp);
+
           this.datestamp = OAIPMHUtilities.convertDateFormat(this.datestamp).toXMLFormat();
+
+          System.out.println("  ##  datestamp converted  -->  " + this.datestamp);
+          
         } catch (ParseException e1) {
           log.debug(e1);
         } catch (DatatypeConfigurationException e1) {
@@ -200,6 +204,9 @@ public class IdentifierListDelivererDC extends IdentifierListDelivererAbstract {
         }
 
         String identifier = hit.getSourceAsMap().get(this.identifierField).toString();
+        
+        System.out.println("  ##  identifier  -->  " + identifier);
+        
         lit = setListIdentifierHeader(this.datestamp, identifier, lit, set);
       }
     }