TY  - BOOK
AU  - Carlson, Bruce A.
TI  - Communication systems:  an introduction to signals and noise in electrical communication 
SN  - 9780070111271
AV  - TK 5102.5 .C3 2002 C.3 
PY  - 2002///
CY  - New York
PB  -  McGraw-Hill
KW  - 1.Signal Theory( Telecommunication)
ER  -