TY  - BOOK
AU  - Carlson, A Bruce 
AU  - Crilly, Paul B.
AU  - Rutledge, Janet C.
TI  - Communication systems : an introduction to signals and noise in electrical communication 
T2  - McGraw Hill series in electrical engineering
SN  - 0071210288 
U1  - 621.38223 CAR 2002 
PY  - 2002///
CY  - Boston
PB  - McGraw Hill
KW  - Digital communications
KW  - Modulation (Electronics)
KW  - Signal theory( Telecommunication)
ER  -