00405nam a2200157Ia 4500008004100000020001800041082001600059100001700075245003000092250000700122260003700129300002500166500001900191600002200210650001500232240925s9999    xx            000 0 und d  a9789350143728  a621.317 GUP  aGupta, J. B. 0aSwitchgear and Protection  aNA  aNew Delhi:bKatson Booksc,2013.  a316p.bN.AfOriginal  aIncludes Index  aPower Engineering  aTechnology