000			00303nam a2200133Ia 4500
100			_aWilliam M Weilbacher
020			_a0-02-425100-3
654			_aHome Science - Ext. Ed.
942			_cBK
245			_aAdvertising
260			_aMacmillan, New York _cc179
082			_a659.1 Wei
300			_axxiv,754p
999			_c24097 _d24097