000 00296nam a2200121Ia 4500
008 190711s9999 xx 000 0 und d
082 _a519.7 K889
100 _aKOWALSKI.R
245 0 _aLOGIC FOR PROBLEM SOLVING
260 _aNEW YORK
_bNorth-Holland
_c1979
300 _a23X15
942 _cBK
_2DDC
999 _c21097
_d21097