000 00330nam a2200145Ia 4500
020 _a9780071140959
082 _b282
_a540
100 _a"CHANG RAYMOND"
245 0 _aESSENTIAL CHEMISTRY
260 _bMCGRAW
_aNEW YORK
_c1996
300 _a719
944 _cBK
999 _c393013
_d393013