TY  - GEN
AU  - Oppenheim, Alan V.
AU  - Buck, John R
AU  - Schafer, Ronald W.
TI  - Discrete time signal processing
SN  - 8178082446
U1  - 621.3822 
PY  - 1999///
CY  - Singapore
PB  - Pearson education
KW  - SIGNAL PROCESSING
ER  -