00267nam a2200109Ia 4500008004100000041000800041082002500049100001600074245003400090260002500124300000800149211209s1980    xx            000 0 und d  aeng  a621.3191 N80 NAG/KOT  aNAGRATH I T  aMODERN POWER SYSTEM ANALYSIS   aNEW DELHIbTMHc1980  a487