TY  - BOOK
AU  - Haykin , Simon 
AU  - Van Veen, Barry
TI  - Signals and systems
U1  - 621.38 SIM 22
PY  - 1999///
CY  - New York
PB  - John  Wiley, 
KW  - Telecommunication
KW  - Signals and Systems
ER  -