000 00271nam a2200097Ia 4500
008 230508s1997 xx 000 0 und d
041 _aeng
100 _aBADRI RAM & D.N. VISHWAKARMA
245 _aPOWER SYSTEM PROTECTION & SWITCHGEAR
260 _bTATA MC GRAW HILL BO
_c1997
999 _c341585
_d341585