TY  - BOOK
AU  - Oppenheim, Alan V
AU  - Willsky, Alan S
AU  - Nawab, S. Hamid
TI  - Signals and systems [2nd ed.]
SN  - 9788120312463
U1  - 621.3822 
PY  - 1997///
CY  - New Delhi
PB  - PHI Learning Pvt. Ltd
KW  - Electrical engineering
KW  - Signal
ER  -