TY  - BOOK
AU  - Haykin, Simon
AU  - Veen, Barry Van 
TI  - Signals and systems
SN  - 9788126512652
U1  - 621.38223 
PY  - 2004/// (2011 reprint)
CY  - New Delhi
PB  - Wiley India
KW  - Singnal
ER  -