TY  - GEN
AU  - Carlson, A.Bruce
AU  - Rutledge, Janet C
AU  - Crilly, Paul B
TI  - Communications systems : an introduction to signals and noise in electrical communication
SN  - 0071121757
U1  - 621.38223 
PY  - 2002///
CY  - New York
PB  - McGraw hill
KW  - SIGNAL ANALYSIS AND THEORY
ER  -