000 00393nam a2200169Ia 4500
008 210210b1950 xxu||||| |||| 00| 0 eng d
041 _aeng
082 _a535/1
100 _aAGGER (Leo T)
245 _aAlternating currents
260 _aLondon
_bMacmillan & Co. Ltd.
_c1950
300 _a204
650 _acurrents
650 _aAlternating
690 _aElectricity
906 _a008619
999 _c126581
_d126581