00320nam a2200133Ia 4500008004100000020001500041041001200056082001100068100001600079245003700095260003600132300000800168650001000176221030s9999    xx            000 0 und d  a8121922380  aEnglish  a105.23  aB. R. Gupta 0aPower System : Analysis & Design  bS. Chand & Co.aNew Delhic2007  a643  aBB EE