Electronic communications /
Roddy, Dennis
Electronic communications / Dennis Roddy and John Coolen. - 2nd ed. - New Delhi : Prentice-Hall of india private limited., 1980 [printing 1983]. - xii, 628 p. : ill. ; 24 cm.
Includes index.
0876921683 $27.95
Telecommunication.--Electronic communication
621.382 / ROE 1983
Electronic communications / Dennis Roddy and John Coolen. - 2nd ed. - New Delhi : Prentice-Hall of india private limited., 1980 [printing 1983]. - xii, 628 p. : ill. ; 24 cm.
Includes index.
0876921683 $27.95
Telecommunication.--Electronic communication
621.382 / ROE 1983