TY  - GEN
AU  - Proakis, John G
AU  - Salehi, Masoud
TI  - Digital communications/  5th ed
SN  - 0070517266
U1  - 621.391 
PY  - 2018///
CY  - New Delhi
PB  - McGraw Hill
KW  - Digital communications
KW  - 621.391
ER  -