000 00298nam a2200121Ia 4500
008 220201s1969 xx 000 0 eng d
082 _a621.31913
100 _aDuff,John R.
245 0 _aAlternating current fundamentals
260 _bD.B.Taraporevala & sons
_c1969
300 _a442
942 _2ddc
999 _c74934
_d74934