00275nam a2200109Ia 4500100001900000490000700019654001000026245006800036260003500104082001400139546001200153  aGumhalter/ H.   vII  aPower  aPower Supply  Systems- Equipment Engg and Planning Instrustions  bWiley easternaNew Delhic1989  a621.38232  aENGLISH