00424nam a2200121Ia 4500008004100000020001500041082001900056100001800075245004300093260008900136300004500225650003200270090304s9999    xx            000 0 und d  a9694170052  a621.31bM 89 P1 aMuhammad Amin10aPower System Analysis /cMuhammad Amin  bNational Academy of Higher Education University Grants Commission,aIslamabad,c1989  avi, 230 p. bPB. :illus., diagrs., tabs.  a Electromechanical devices.