TY  - BOOK
AU  - Couch ,Leon W.
TI  - Digital and Analog Communication Systems
SN  - 9788120334113
U1  - 621.382 COU 
PY  - 2008///
CY  - New Delhi
PB  - Pearson Printice Hall
KW  - Electronic Engineering
KW  - Technology
N1  - Includes Index
ER  -