TY  - GEN
AU  - Taub, Herbert
AU  - Schilling, Donald L 
AU  - Saha, Goutam 
TI  - Principles of communication systems/ 4th ed
SN  - 0-07-062955-2
U1  - 621.39 
PY  - 2013///
CY  - New Delhi
PB  - Mc Graw Hill
KW  - 621.39
KW  - Telecommunication systems
ER  -