TY  - BOOK
AU  - Van Valkenburg,M.E.
TI  - Analog filter design
PY  - 1982///
CY  - New York
PB  - Holt Rinehart and Winston
KW  - Electric filters, Active
KW  - Operational amplifiers
N1  - Holt-Saunders international editions; Bibliography : p. 601-604
ER  -