TY  - BOOK
AU  - Hamming, R. W. 
TI  - Digital filters
T2  - Prentice-Hall Signal Processing Series
SN  - 0-13-212571-4
PY  - 1977///
CY  - Englewood Cliffs
PB  - Prentice-Hall
KW  - Filters-designFourier Series Analysis
ER  -