TY  - BOOK
AU  - RODDY D. AND COOLEN J.
TI  - ELECTRONIC COMMUNICATIONS 4TH ED
SN  - 978-81-7758-558-2
U1  - 621.382 
PB  - DORLING KINDERSLEY(INDIA) L.OF PEARSON EDUCAT
KW  - ELECTRONIC COMMUNICATION (S.E.)
N1  - 14024
ER  -