TY  - BOOK
AU  - Roddy,Dennis
AU  - Coolen,John .
TI  - Electronic communications
SN  - 0876923961
U1  - 621.38 22
PY  - 1984///
CY  - New Delhi
PB  - Prentice-Hall of India Prv. Ltd. ,
KW  - Telecommunication
N1  - Includes index
ER  -