000 00332nam a2200145Ia 4500
020 _a0863139337
082 _b593
_a629.23
100 _a"Lafferty, peter"
245 0 _aMagnets to dynamos
260 _bGloucester
_aLondon
_c2011
300 _a32
944 _cBK
999 _c667594
_d667594