00323nam a2200121Ia 4500008004100000041001200041082001600053100001600069245006800085260003300153300000800186650000700194221030s9999    xx            000 0 und d  aEnglish  a105.23bGup  aJ. B. Gupta 0aSwitchgear & Protection (Advanced Power System)cby J. B. Gupta  bEss Kay PubaNew Delhic1998  a266  aEE