TY  - BOOK
AU  - Johnson,D.E.
AU  - Johnson,Johnny R.(Johnny Ray)
AU  - Moore,H.P.(Harry P.)
TI  - A handbook of active filters
SN  - 0133724093
PY  - 1980///
CY  - Englewood Cliffs, N.J.
PB  - Prentice-Hall
KW  - Electric filters, Active
N1  - Includes bibliography ( p.235-237) and index
ER  -