TY  - BOOK
AU  - Van Valkenburg,M.E.
TI  - Analog filter design 
SN  - 9780195107340
U1  - 621.3815324 VAN 19
PY  - 1982///
CY  - New York
PB  - Oxford University Press
KW  - Electric filters, Active
KW  - Operational amplifiers
N1  - Includes index; Bibliography: p. 601-604
UR  - http://www.loc.gov/catdir/enhancements/fy0640/81023774-d.html
UR  - http://www.loc.gov/catdir/enhancements/fy0640/81023774-t.html
ER  -