TY  - BOOK
AU  - Oppenheim, Alen V
AU  - Chafer, Ronald W 
TI  - Digital signal processing 
SN  - 81-203-0532-9
U1  - 621.382 2 
PY  - 1999///
CY  - New Delhi
PB  - Prentice Hall
KW  - Engineering- Digital signals
ER  -