Clocksin, William F.. Clause and effect : Prolog programming for the working programmer / William F. Clocksin - Berlin : Springer , 1997 - ix, 143 p. : il. ISBN: 3540629718 Subjects--Topical Terms: LENGUAJE DE PROGRAMACION LENGUAJE PROLOG PROGRAMACION DE COMPUTADORAS Universal Decimal Class. No.: 004.43 C643c