TY  - BOOK
AU  - COUCH, II L. W.
TI  - DIGITAL AND ANALOG COMMUNICATION SYSTEMS 7TH ED
SN  - 978-81-317-2543--6
U1  - 621.39 
PB  - DORLING KINDERSLEY(INDIA) L.OF PEARSON EDUCAT
KW  - ELECTRONIC COMMUNICATION (S.E.)
N1  - 14025
ER  -