000 00267nam a2200121Ia 4500
008 220201s1991 xx 000 0 eng d
100 _aCHANG RAYMOND
245 0 _aCHEMISTRY
250 _a4
260 _aNEW YORK
_bMCGRAW HILL
_c1991
300 _a1065
942 _2ddc
999 _c91475
_d91475