TY  - BOOK
AU  - Roddy,Dennis
AU  - Coolen,John
TI  - Electronic communications
SN  - 0876921683
U1  - 621.382 23
PY  - 1980/// [printing 1983]
CY  - New Delhi
PB  - Prentice-Hall of india private limited.
KW  - Telecommunication
KW  - Electronic communication
N1  - Includes index
ER  -