TY  - BOOK
AU  - Oppenheim, Alan V
ED  - Willsky, Alan S
ED  - Nawab, S Hamid
TI  - Signals and systems
SN  - 9788120312463
U1  - 621.3822 OPP/WILL 
PY  - 2010///
CY  - New Delhi
PB  - Prentice Hall of India Private limited
KW  - ELECTRONICS AND COMMUNICATION ENGINEERING
ER  -