00277nam a2200121Ia 4500100001700000650002700017654001500044245003900059260002600098082001000124300000900134546001200143  aTheraja/B.L   aElectrical Engineering  aelectrical  aText book of Electrical technology  bNiraj Prakashanc1970  a621.3  a1832  aENGLISH