TY  - BOOK
AU  - Roddy,Dennis
AU  - Coolen,John
TI  - Electronic communications
SN  - 8120309847
U1  - 621.382 ROD 23
PY  - 1999///
CY  - New Delhi
PB  - Pearson/Prentice Hall
KW  - Telecommunication
N1  - Includes index
ER  -