TY  - GEN
AU  - Chen, Wai-Kai4627
TI  - Passive and active filters: Theory and implementations
SN  - 047182352x
U1  - 621.3.815 
PY  - 1986///
CY  - New York
PB  - John Wiley
KW  - Electric filters-active
KW  - Electric filters-passive
KW  - Analog electronic systems
KW  - 621.3.815
ER  -