000			00336nam a2200145Ia 4500
008			180613s9999||||xx |||||||||||||| ||und||
020			_a0-07-011207-x
041			_aen
082			_a540
100			_aCHANG, Raymond
245		0	_aEssential chemistry
260			_aAmerica _bWCB/McGraw-hill _c1996
300			_axxx,715p.
942			_cSR
999			_c76422 _d76422