000 00331nam a2200157Ia 4500
100 _aGupta, B R; Singhal, Vandana
080 _a621.319
526 _dTB
526 _aUG
366 _f20%
942 _cBK
245 _aPower system operation and control
260 _aS Chand
_bNew Delhi
_c2016
300 _a262
546 _aE
999 _c52921
_d52921