Electrical power /
Gopal, S.I
Electrical power / S.I Gopal - New delhi: Khanna, 2003 - 1740 p.
Electrical and electronics
621.31 / GOP/E
Electrical power / S.I Gopal - New delhi: Khanna, 2003 - 1740 p.
Electrical and electronics
621.31 / GOP/E