000			00444nam a2200157Ia 4500
020			_a0893971278
082			_a375.5 _bINN
245			_aInnovation in the science curriculum _b: classroom knowledge and curriculum change
260			_aLondon: _bCroom Helm, _c1982
300			_a182p.
500			_aIncludes index and bibliography
546			_aeng
650			_aScience - Study and teaching _969103
700			_aOlson, John _969104
942			_cBK
999			_c8635 _d8635