00399nam a2200145Ia 4500008004100000020001500041041001200056082001600068100001800084245008900102260002900191300000800220650000700228700001800235221030s9999    xx            000 0 und d  a8120305329  aEnglish  a105.23bCla  aA. E. Clayton 4aThe Performance & Design of Direct Current Machinescby A. E. Clayton, N. N. Hancock  bCBS PubaNew Delhic2000  a516  aEE  aN. N. Hancock