TY  - BOOK
AU  - Parks, T. W.
AU  - Burrus, C. S.
TI  - DIGITAL FILTER DESIGN
SN  - 0471828963
U1  - 621.3815324 
PY  - 1987///
CY  - New York
PB  - Wiley
KW  - Electric Filters, Digital -- Design And Construction
ER  -