TY  - BOOK
AU  - Schafer, Ronald W.
AU  - Oppenheim, Alan V. Schafer, Ronald W.Buck, John R.
TI  - Discrete-time signal processing
SN  - 9780130834430
AV  - 621.3822 OPP 1999 
U1  - 621.3822 OPP 1999 
PY  - 1999///
CY  - NewJersey
PB  - Prentince,Hall
KW  - Communication Engineering
ER  -