000 00343nam a2200145Ia 4500
020 _a007117902X
082 _b513
_a540
100 _a"CHANG,RAYMOND"
245 0 _aEssential chemistry
260 _bDubuque, IA : McGraw-Hill, 2000.
_c2000
300 _a773
944 _cBK
999 _c362283
_d362283