000 00288nam a2200121Ia 4500
008 160122s9999 xx 000 0 und d
041 _aEnglish
100 _aJohn J Grainger
245 _aPower Syatem Analysis
250 _a25th
260 _bDelhi:Tata McGrow Hill
_c2014
300 _a787p.
999 _c6973
_d6973