000			00317nam a2200133Ia 4500
005			20260205043013.0
008			260111s9999||||xx |||||||||||||| ||und||
100			_aJACOBSON WILLARD J
245		0	_aLEARNING IN SCIENCE
260			_aN.Y. _bAMERICAN BOOK COMP. _c1968
300			_a0
690			_aSCIENCE
942			_cBK
999			_c45201 _d45201