00317nam a2200133 a 450000500170000002000150001708200190003210000170005124500280006825000120009626000330010830000240014170000180016520251203091524.0  a0074600818  a006.3,D,Ricb_  aRich, Elaine  aArtificial intelligence  a2nd ed.  aDelhi: TataMcGraw-Hillc1991  axviii, 622p.c22 cm  aKevin, Knight