000 00401nam a2200169Ia 4500
008 210210b1943 xxu||||| |||| 00| 0 eng d
041 _aeng
082 _a535/61
100 _aHIRST (A W)
245 _aElectricity and magnetism
260 _aLondon
_bBlackie and Son Limited
_c1943
300 _a384
650 _amagnetism
650 _aElectricity
690 _aElectricity
906 _a008679
999 _c127469
_d127469