Richard Helm Kim Marriott Book Review: Prolog for Programmers, by Feliks Kluzniak and Stanislaw Szpakowicz. 83-84 1987 4 J. Log. Program. 1 db/journals/jlp/jlp4.html#HelmM87 http://dx.doi.org/10.1016/0743-1066(87)90023-9