TY  - BOOK
AU  - Haykin, Simon 
TI  - Introduction to analog and digital communications 
SN  - 978-81-265-0932-4 
U1  - 621.382 HAY  
PY  - 2009///
CY  - John wiley and sons 
PB  - New Delhi 
KW  - COMMUNICATION SYSTEM
ER  -