00293nam a2200109Ia 4500008004100000041000800041082001800049100003400067245005600101260001900157365000700176230303s9999    xx            000 0 und d  aeng  a621.38101 KOT  aKOTHARI (D.P) NAGRATAH (I.J.)  aTheory and Problems of Basic Electrical Engineering  aNew DelhibPHI  cRS