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  1. N.J.Äá¶ûÑ·Öø,ʯ´¿Ò»µÈÒ룺¡¶È˹¤ÖÇÄÜÔ­Àí¡·,¿Æѧ³ö°æÉ磬±±¾©£¬1983¡££¨N.J. Nilsson£¬Principles of Artificial Ihtel-ligence£¬Tioga Publ. Co.£¬New York, 1980.)
  2. N.J.Nilsson£¬Problem£­Solving Methods in Artificial Intelligence£¬McGraw-Hill£¬New York£¬1971.