00418nam a2200157Ia 450000100060000000800410000602000150004704000130006208200190007510000170009424500700011126000420018130000110022354600070023465000190024148793140430s9999    xx            000 0 und d  a8188458554  cPK-LaUMT  a 621.33bGUP-U  aGupta, J. B.  aUtilization of electric power and electric tractioncGupta, J. B.  aNew Delhi,India:bS. K. Katria,c2004  a708 p.  aEN  aElectric power