TY  - BOOK
AU  - Parks, T. W.
AU  - Burrus, C. Sidney
TI  - Digital Filter Design 
SN  - 04718289663
U1  - 621.3815324 
PY  - 1987///
CY  - New York : 
PB  - John Wiley, 
KW  - Electric Filter Digital Design and Construction
N1  - NY
UR  - https://eaklibrary.neduet.edu.pk:8443/catalog/bk/books/toc/0-471-828966-3.pdf
ER  -