TY  - BOOK
AU  - Taub ,Herbert .
AU  - Schilling,Donald L  .
TI  - Principles of communication systems / 
U1  - 621.38 
PY  - 1991///
CY  - New Delhi : 
PB  - Tata McGraw-Hill Publishing , 
KW  - COMMUNICATION SYSTEM
N1  - NULL
ER  -