00332nam a2200133 a 450000500170000000800410001704100080005808200100006610000220007624500440009826400340014230000100017665000120018620260717090928.0260717s1974    ii            000 0 eng d  aeng04a537.21 aLancaster, Gordon10aDC and AC circuits /cLancaster, Gordon 1bOxford physics series,c1974.  a96 p. 4aPhysics