00310nam a2200121Ia 4500100001600000650002700016654003600043245004300079260003400122082001200156300000800168546001200176  aBarzam/ A.   aElectrical Engineering  aAutomation Elect. Power Systems  aAutomation in Electrical Power Systems  bMir  PublishersaMoscowc1977  a621.317  a430  aENGLISH