TY  - BOOK
AU  - Cunningham 
TI  - Digital filtering : an introduction 
SN  - 0471124753 
U1  - 621.3822 CUN 1995 
PY  - 1995///
CY  - New York
PB  - John Wiley & Sons
KW  - Digital filters (Mathematics)
N1  - Includes bibliographical references and index
ER  -