TY  - BOOK
AU  - Oppenheim,Alan v
AU  - Willsky,Alan S
TI  - Signals and systems
SN  - 9788120312463
U1  - 621.382Op52s/1997 
PY  - 1997///
CY  - New Delhi
PB  - PHI Learning
KW  - Signals
KW  - systems
N1  - Includes reference index
ER  -