000 00291nam a2200109Ia 4500
008 220201s1989 xx 000 0 eng d
100 _aGoldberg, David E
245 0 _aSchaums 3000 solved promblems in chemistry
260 _bNewyork : Tata Mc Graw hill
_c1989
300 _a606
942 _2ddc
999 _c85439
_d85439