TY  - BOOK
AU  - Haykin,Simon S..
TI  - An introduction to analog and digital communications / 
SN  - 9971511452
U1  - 621.382 
PY  - 2001///
CY  - New York : 
PB  - John Wiley , 
KW  - DIGITAL COMMUNICATIONS
N1  - Includes index and references
ER  -