TY  - BOOK
AU  - Roddy Dennis
AU  - Coolen John
TI  - Electronic Communications
SN  - 9788177585582
U1  - 621.38 ROD 
PY  - 2013///
CY  - US
PB  - Pearson
KW  -  communications
KW  -  roddy dennis
KW  - electronic
ER  -