Barr, Avron The handbook of artificial intelligence - v. 3 - 1a ed. - Los Altos : William Kaufmann, 1982 - xviii, 639 p. v. 3: Paul R. Cohen y Edward A. Feigenbaum eds. ISBN: 0865760071 Standard No.: DIF-M2207 Subjects--Topical Terms: INTELIGENCIA ARTIFICIAL