TY  - BOOK
AU  - Couch,Leon W. II
TI  - Digital and Analog Communication Systems
SN  - 81-317-0737-7
U1  - 621.382 
PY  - 2001///
CY  - New Delhi
PB  - Pearson Education
KW  - Engineering
KW  - Historical Perspective , Organization of Book
ER  -