000 00295nam a2200133Ia 4500
100 _aBrown, John
250 _a3rd Ed
942 _cBK
654 _a
245 _aTeaching science in schools
260 _aLondon
_bUniversity of London Press
_c1949
082 _a375.5
300 _bHb
_axiv,174
999 _c358240
_d358240
041 _aeng