000 00334nam a2200121Ia 4500
008 240817s9999 xx 000 0 und d
082 _a621.317 r11p
100 _aRavindranath,B & Chanden,M
245 0 _aPower systems protection and swichgear
260 _c1990
_a New Delhi
_b Wiley eastern ltd
300 _a444 p.
942 _cBK
999 _c30900
_d30900