00326nam a2200133Ia 4500008004100000041000800041082001600049100001700065245003800082260002300120300000900143365000800152700003200160230718s9999 xx 000 0 und d aeng a621.37bTHE aTheraja B.L. aTextbook Of Electrical Technology c1988bS .Chand Pub a1144 cRs. aTheraja B.L. & Theraja A.K.