TY  - BOOK
AU  - Oppenheim, Alan, V.
AU  - Schafer, Ronald W.
TI  - Digital signal processing
SN  - 0876925328
U1  - 621.3822 
PY  - 1989///
CY  - New Delhi
PB  - Prentice-Hall.
KW  - Data processing
KW  - Computer science
ER  -