000			00451nam a22001451a 4500
003			USJPLib
008			140924b xxu||||| |||| 00| 0 eng d
082			_a371.3 _bHOF
100			_aHoff, Arthur
245			_aSecondary-school science teaching _ba textbook on how to teach science in the junior and senior... _h[Text] _cHoff, Arthur
260			_bBlakiston _aPhiladelphia _c1947
300			_axi, 303 p. _c22 cm.
650			_aEducation
942			_2ddc _cUM
999			_c67172 _d67172