TY  - GEN
AU  - Chen,Wai-Kai
TI  - Passive and active filters: theory and implementations 
SN  - 9812530282
U1  - 621.3815324 
PY  - 1986///
CY  - New York
PB  - John Wiley & sons.
KW  - Analog electronic systems
KW  - Electric filters, Active
KW  - Electric filters, Passive
N1  - Includes bibliographies and index
UR  - http://www.loc.gov/catdir/toc/onix01/85009497.html
UR  - http://www.loc.gov/catdir/description/wiley031/85009497.html
ER  -