000 00318nam a2200133Ia 4500
082 _a538
_bKEM
100 _aKeen, Martin L.
_929637
245 _aMagnets and magnetism
_cMartin L. Keen
260 _aNew York
_bGrosset and Dunlap
_c1971
300 _b47p.
546 _aeng.
650 _aMagnetism
_929638
942 _cBK
999 _c30706
_d30706