TY  - BOOK
AU  - Oppenheim,A.V.,et al
ED  - Nawab, S.H
ED  - Willsky, A.S
TI  - Signals & systems
SN  - 9788120312463
U1  - 621.382 
PY  - 1997///
CY  - New Delhi
PB  - Prentice Hall of India
ER  -