00321nam a2200133Ia 4500008004100000020001500041041001200056082001100068100001600079245004600095260003100141300000800172650000700180221030s9999    xx            000 0 und d  a818845852X  aEnglish  a105.23  aJ. B. Gupta 2aA Course in Power Systemscby J. B. Gupta  bS. K. KatariaaDelhic2009  a682  aEE