CLOCKSIN, W.F. Programming in proiog / [by] W.F.Clocksin, C.S.Mellish - 4th ed. - Berlin Springer-Verlag 1994 - xvi, 281 p. Includes appendix and index. ISBN: 3540583505 Subjects--Topical Terms: PROLOG (computer program language)Programming language Dewey Class. No.: 005.133PRO / CLO