Dungan,, Frank R.
Electronic communications systems / - 3rd. - New Delhi: Vikas, 1997. - xi,819p.. - 1997.
Telecommunication
621.382 / DUN/E
Electronic communications systems / - 3rd. - New Delhi: Vikas, 1997. - xi,819p.. - 1997.
Telecommunication
621.382 / DUN/E