00259nam a2200109Ia 4500008004100000041000800041082002100049100001200070245005000082260000900132300000800141211209s1979    xx            000 0 und d  aeng  a621.3191 N79 PAI  aPAI M A  aCOMPUTER-TECHNIQUES IN POWER SYSTEM ANALYSIS   c1979  a219