00261nam a2200109Ia 4500008004100000100001800041245002900059260002500088260000900113546001200122999001700134170619s9999    xx            000 0 und d  aHusain Ashfaq 0aElectrical Power Systems  bC B S Pub.:New Delhi  c2004  aENGLISH  c17124d17124