000			00290nam a2200133Ia 4500
008			190216s9999||||xx |||||||||||||| ||und||
100			_aThomas. A.O
245		0	_aPractical Chemistry
250			_a1st Ed.
260			_bNull
300			_a616
650			_aChemistry-Chemistry
942			_cBK
999			_c2308 _d2308