TY  - BOOK
AU  - Proakis J ,
AU  - salehi  M ,
TI  - Digital Communications 5 th ed 
SN  - 9789339204792
U1  - 621.382 
PY  - 2014///
CY  - Noida
PB  - Tata Mc Graw Hill Education  Pvt.  Ltd.
ER  -