TY  - BOOK
AU  - Van Valkenburg, Mac Elwyn
TI  - ANALOG FILTER DESIGN
U1  - 621.3815324 
PY  - 1982///
CY  - New York
PB  - Holt, Rinehart And Winston
KW  - Electric Filters, Active
KW  - Operational Amplifiers
N1  - Holt-Saunders International Edition
ER  -