000 00310nam a2200121Ia 4500
008 220201s1997 xx 000 0 eng d
082 _a621.317
_bSAH
100 _aSahdev, SK
245 0 _aTb of generation protection switchgear & economics
260 _bIndia: Pub House
_c1997
300 _a228
942 _2ddc
999 _c86710
_d86710