000			00358nam a2200145Ia 4500
008			180613s9999||||xx |||||||||||||| ||und||
020			_a0-675-03164-8
041			_aen
082			_a500.2
100			_aHEIMLER, Charles H.
245		0	_aFocus on physical science
260			_aAmerica _bMerrill publishing company _c1989
300			_ax,614p.
942			_cSR
999			_c74317 _d74317