00669nam a22002177a 450000500170000001000250001702000260004202000230006803500250009103700130011603700190012908200120014810000140016024500860017425000110026026000380027127000420030930000270035150000510037870000220042920170818103132.0  aENG-104125  B-459052  a9780071077743c375.00  a007107774xc375.00  aEN-87658    B-459052  bDBAD/PUB  bAllied Pub/Ven  a621.3171 aBadri Ram10aPower system protection and switchgear /cby   Badri Ram [and]   D.N. Vishwakarma  a2nd ed  aNew DelhibTata McGraw-Hillc2011  a7 West Patel NagarbNew Delhie110008  axvi,670p. c24cm (pbk)  aIncludes bibliographical references and index.1 aVishwakarma, D.N.