000			00369nam a2200133Ia 4500
005			20260205042202.0
008			260111s9999||||xx |||||||||||||| ||und||
100			_aTHURBER WALTER A COLLETTE ALFRED T.
245		0	_aTEACHING SCIENCE IN TODAY'S SECONDARY SCHOOLS
260			_aBOSTON _bALLYN AND BACON _c1961
300			_a640
690			_aSCIENCE,TEACHING
942			_cBK
999			_c28561 _d28561