00402nam a22001337a 4500020001500000082001800015100001800033245009200051260005000143300001800193500001500211650002500226650001700251  a8121924405  a621.3bT 39 T1 aTheraja, B. L  aA Textbook of Electrical Technology in S. I. Units : vol 1 Basic Electrical Engineering  aNew Delhi :bS. Chand & company ltd. ,c1989.  bcoloured ill.  aPaperback.  aElectric Engineering  aElectronics