TY  - BOOK
AU  - Carlson,A.Bruce  .
TI  - Communication systems : an introduction to signal and noise electrical communication / 
T2  - McGraw-Hill Series in electrical and computer engineering , 
SN  - 0070111278
U1  - 621.38223 
PY  - 2002///
CY  - New York : 
PB  - McGraw-Hill , 
KW  - SIGNAL THEORY ( TELECOMMUNICATION )
N1  - Includes bibliographical references and index
ER  -