00325nam a2200121Ia 4500008004100000041001200041082001600053100001400069245006800083260003700151300000800188650000700196221030s9999    xx            000 0 und d  aEnglish  a105.23bPat  aH. Partap 0aArt & Science of Utilization of Electrical Energycby H. Partap  bDhanpat Rai PubaNew Delhic2001  a699  aEE