TY  - BOOK
AU  - Haykin,, Simon
AU  - Veen,, Barry Van
TI  - Signals and systems / 
SN  - 9971-51-239-4
U1  - 621.382 2 
PY  - 2004///
CY  - New York
PB  - John Wiley
KW  - Engineering-Signals
ER  -