TY  - BOOK
AU  -  Carlson, A. Bruce, 
AU  - Crilly, Paul B..
TI  - Communication Systems : : an introduction to signals and noise in electrical communication 
SN  - 9780071263320
U1  - 621.3804 23
PY  - 2010///
CY  - cNew York
PB  - McGraw-Hill
N1  - Includes index
ER  -