TY  - BOOK
AU  - Nawab, Hamid S
AU  - Oppenheim, Alan V.,  Willsky, Alan S.Nawab, Hamid S
TI  - Signals and systems
SN  - 9788120312463
AV  - 621.3822 OPP 1999 
U1  - 621.3822 OPP 1999 
PY  - 1999///
CY  - New Delh
PB  - Prentince,Hall
KW  - Communication Engineering
ER  -