TY  - BOOK
AU  - Hilburn, John L.
AU  - Johnson,David E.
TI  - Manual of active filter design
SN  - 0070287694 
U1  - 621.3815 
PY  - 1983///
CY  - New York
PB  - McGraw-Hill
KW  - Design
N1  - Includes bibliographies and index
ER  -