TY  - BOOK
AU  - Oppenheim,Alan V.
AU  - Schafer, Ronald W.
TI  - Digital signal processing 
SN  - 8120305329
U1  - 621.381/Op2d 
PY  - 1998///
CY  - New Delhi
PB  - prentice hall of India
KW  - Digital Electronics
ER  -