TY  - BOOK
AU  - Schafer, Ronald W.
AU  - Schafer, Ronald W.Oppenheim, Alan V.
TI  - Digital Signal Processing
SN  - 132146355
AV  - 621.3822 OPP 1975 
U1  - 621.3822 OPP 1975 
PY  - 1975///
CY  - NewJersey
PB  - Prentice-Hall
KW  - Communication Engineering
ER  -