00305nam a2200121Ia 4500008004100000041001200041082001100053100001400064245005400078260003300132300000800165650001000173221030s9999    xx            000 0 und d  aEnglish  a105.23  aH. Pratab 0aArt & Science of Utilisation of Electrical Energy  bDhanpat Rai PubaDelhic2007  a697  aBB EE