000			00488 a2200133 4500
082			_a507 _bB7697s
100			_aPerkins, W. H.
245	1		_aSCIENCE IN SCHOOLS _cPROCEEDINGS OF A CONFERENCE UNDER THE AUSPICES OF THE BRITISH ASSOCIATION FOR THE ADVANCEMENT OF SCIENCE, HELD ON APRIL 17th AND 18th, 1958, AT THE ROYAL GEOGRAPHICAL SOCIETY , LONDON
260			_aLondon _bButterworth _c1958
300			_a150
650			_aScience. Study And Teaching
964			_gCIRC
997			_a8435 C
999			_c451733 _d451733