00350nam a2200133Ia 4500008004100000041001200041082001500053100001500068245003500083250001200118260002100130300001200151650005300163231217s9999    xx            000 0 und d  aEnglish  a621.3  COT  aCotton, H. 0aAdvanced electrical technology  a1st ed.  c1983bAH Wheeler  axi+1293  aPolyphase currents Induction motors Transformers