00312nam a2200109Ia 4500008004100000082002100041100003200062245005400094250000900148260003600157300000900193240913s9999||||xx |||||||||||||| ||und||  aGS    537  THE/T  aB.L Theraja and A.K Theraja 2aA text book of electrical texhnology in S.I units  aNULL  bS Chand and CoaNew Delhic2001  a734p