aktp#Publication-Reference
  supertype:  aktp#Publication-reference_or_Information-Bearing-Object_or_Technology_or_Method
     supertype:  pm#entity_categorized_in_an_ontology
        supertype:  pm#entity  something that can be "involved" in a situation
           supertype:  pm#thing__something___T__t___3D_or_4D_thing_or_anything_else  any category (type or individual) is instance of this type; any type is also a subtype of this type
        supertype:  pm#thing_categorized_in_an_ontology
           supertype:  pm#thing__something___T__t___3D_or_4D_thing_or_anything_else  any category (type or individual) is instance of this type; any type is also a subtype of this type

No statement uses or specializes aktp#Publication-Reference; click here to add one.