Bimbhra, P S .
Electrical machinery / - 4 / - Delhi : Khanna publishers , 1995. - 1031 ; .
8174091734
621.31042 / BIM/EL
Electrical machinery / - 4 / - Delhi : Khanna publishers , 1995. - 1031 ; .
8174091734
621.31042 / BIM/EL