A reference associated with some kind of published document, where publication and documenthood are interpreted broadly.
(Exhaustive-Subclass-Partition Reference (Setof Publication-Reference Non-Publication-Reference)) (=> (Ref.Document $X $Y) (Publication-Reference $X)) (<=> (Inherits-Author-From-Document ?Ref) (And (Publication-Reference ?Ref) (Same-Values ?Ref Ref.Author (Compose Doc.Author-Name Ref.Document)))) (<=> (Inherits-Publisher-From-Document ?Ref) (And (Publication-Reference ?Ref) (Same-Values ?Ref Ref.Publisher (Compose Publisher.Name Doc.Publisher Ref.Document)) (Same-Values ?Ref Ref.Address (Compose Publisher.Address Doc.Publisher Ref.Document)))) (<=> (Inherits-Year-From-Document ?Ref) (And (Publication-Reference ?Ref) (Same-Values ?Ref Ref.Year (Compose Timepoint.Year Doc.Publication-Date Ref.Document)))) (<=> (Inherits-Title-From-Document ?Ref) (And (Publication-Reference ?Ref) (Same-Values ?Ref Ref.Title (Compose Doc.Title Ref.Document)))) (<=> (Book-Publication-Data-Constraint ?Ref) (And (Publication-Reference ?Ref) (Value-Cardinality ?Ref Ref.Document 1) (Value-Type ?Ref Ref.Document Book) (Value-Cardinality ?Ref Ref.Publisher 1) (Inherits-Publisher-From-Document ?Ref) (Value-Cardinality ?Ref Ref.Year 1) (Inherits-Year-From-Document ?Ref)))