000 00325nam a2200121Ia 4500
008 190711s9999 xx 000 0 und d
082 _a621.38195 N6957
100 _aNILSSON.N.J
245 0 _aPROBLEM SOLVING METHODS IN ARTIFICIAL INTELLIGENCE
260 _aNEW YORK
_bMcGraw-Hill
_c1971
300 _a23X16
942 _cBK
_2DDC
999 _c20140
_d20140