TY  - GEN
AU  - Proakis, John G.
AU  - Salehi, Masoud
TI  - Fundamentals of communication systems
SN  - 8131705730
U1  - 621.3821 
PY  - 2005///
CY  - New Delhi
PB  - Pearson prentice hall
KW  - COMMUNICATIONS ENGINEERING
ER  -