TY  - BOOK
AU  - Carlson, A. Bruce
AU  - Crilly, Paul B.
AU  - Rutledge, Janet C.
TI  - Communication systems
SN  - 9780071210287
U1  - 621.382 
PY  - 2002///
CY  - New Delhi
PB  - McGraw-Hill
KW  - Electronics and Communication Engineering
ER  -