TY  - BOOK
AU  - Taub H ,
AU  - Schilling D . L. ,
TI  - Principles of Communication Systems 4 th ed 
SN  - 9781259029851
U1  - 621.382 
PY  - 2013///
CY  - New Delhi 
PB  -  Mc Graw Hill Education  Pvt.  Ltd.
KW  - Dig. Communication
ER  -