000 00285nam a2200121Ia 4500
008 220201s1969 xx 000 0 eng d
082 _a621.31913
100 _aDuff, John R
245 0 _aAlternating current fundamental
260 _bTaraporwala
_c1969
300 _a442
942 _2ddc
999 _c75401
_d75401