000 00313nam a2200109Ia 4500
008 161222s9999 xx 000 0 und d
020 _cRS. 275.00
100 _aRavindra p singh
245 _aSwitchgear and power system protection
_cRavindra p singh
260 _aNew delhi
_bPHI learning pvt lts
_c2013
300 _a327
999 _c4548
_d4548