TY  - BOOK
AU  - Taub, Herbert; Schilling Donald L and Saha, Goutam
TI  - Principles of communication system 
SN  - 139781259029851
AV  - 19211-19220 
U1  - 621.38 22
PY  - 2013///
CY  - New Delhi
PB  - McGraw Hill
ER  -