000 00278nam a22001217a 4500
020 _a9780071077743
100 _aD.N VISHWAKARMA
245 _aPOWER SYSTEM PROTECTION AND SWITCHGEAR
250 _a2 ND
260 _aNEW DELHI
_bMGH
_c2011
300 _aXV, 670P
942 _cBK
999 _c8506
_d8506