TY  - BOOK
AU  - Kenneddy George and others 
TI  - Electronics and communications 
SN  - 9780071077828
U1  - 621.382 KENN  
PY  - 2011///
CY  - Tata Mc-Graw hill 
PB  - New Delhi 
KW  - COMMUNICATION SYSTEM
ER  -