000 00331nam a2200157Ia 4500
008 190201s9999 xx 000 0 und d
020 _a8185015970
082 _a1
082 _b6424 G
100 _aGrogono Peter
245 0 _aProblem Solving And Comp
260 _aDelhi
260 _bN.P.
260 _c1987
300 _a284
999 _c32207
_d32207