TY  - BOOK
AU  - Stephenson,F.W.
TI  - RC active filter design handbook
SN  - 0471861510
U1  - TK/7872.F5 
PY  - 1985///
CY  - New York
PB  - John Wiley and Sons.
KW  - Electric filters, Active.
KW  - Electric filters, resistance-capacitance.
ER  -