TY  - BOOK
AU  - Nair, Somanathan, B and Deepa,S.R 
TI  - Basic communication and information engineering 
SN  - 978-9380-02662-6 
U1  - 621.382 NAI  
PY  - 2009///
CY  - IK International publishing house 
PB  - New Delhi 
KW  - COMMUNICATION SYSTEM
ER  -