000 00330nam a2200145Ia 4500
020 _a0863139337
082 _b1757
_a500
100 _a"Fegan, Margreat"
245 0 _aMagnets to dynamos
260 _bGloucester
_aLondon
_c2011
300 _a32
944 _cBK
999 _c274486
_d274486