000 00274nam a2200133Ia 4500
100 _aUppal/S.L
942 _cBK
654 _apower
245 _aElectrical power
260 _bKhanna publishers
_aDellhi
_c1985
082 _a621.31
_bUPP
546 _aENGLISH
999 _c30050
_d30050