TY  - BOOK
AU  - Oppenheim, Alan V
AU  - Schafer, Roald W
AU  - Buck, John R
TI  - Discrete-time signal processing
SN  - 8131704920
U1  - 621.3822 
PY  - 2006///
CY  - New Delhi
PB  - Prentice-Hall
ER  -