TY  - GEN
AU  - F. W. Stephenson
AU  - Stephenson,F.W.
TI  - RC active filter design handbook
SN  - 0471861510
U1  - 621.3815/32 
PY  - 1985///
CY  - New York
PB  - Wiley
KW  - Electric filters, Active
KW  - Electric filters, Resistance-capacitance
ER  -