TY  - BOOK
AU  - Haykin S.
TI  - Analog and Digital Communications
SN  - 0000038898
U1  - 621.380411 
PY  - 2004///
CY  - New York
PB  - John Wiley
KW  -  Communications
KW  -  Digital
KW  -  Introduction
KW  - Analog
KW  - Digital Communication
ER  -