Electronic communications /
Roddy, D.
Electronic communications / by Dennis Roddy, John Coolen. - 4th ed. - Englewood Cliffs, NJ : Prentice Hall, 1995. - ix, 820 p
013312083X
Telecommunication.
Electronic communications / by Dennis Roddy, John Coolen. - 4th ed. - Englewood Cliffs, NJ : Prentice Hall, 1995. - ix, 820 p
013312083X
Telecommunication.