000			00413nam a2200145Ia 4500
003			NIELib
008			211019s9999||||xx |||||||||||||| ||und||
082			_a507 _bCHA
245			_aChanges in school science teaching :schools council curriculum bulletin 3
260			_bEvans brothers limited, _c1974. _aNew York :
300			_a71p.; _c22cm
650			_aScience Teaching
650			_aScience
942			_2ddc _cLM
999			_c37002 _d37002