CDM → NCollection Relation

File in src/CDM	Includes file in src/NCollection
CDM_ListOfDocument.hxx	NCollection_List.hxx
CDM_ListOfReferences.hxx	NCollection_List.hxx
CDM_MapOfDocument.hxx	NCollection_Map.hxx
CDM_MetaDataLookUpTable.hxx	NCollection_DataMap.hxx