TY  - BOOK
AU  - Haykin,Simon  .
TI  - Communication systems / 
SN  - 9971513056
U1  - 621.382 
PY  - 2004///
CY  - New York : 
PB  - John Wiley , 
KW  - TELECOMMUNICATION
N1  - Includes bibliographical references and index
ER  -