TY  - BOOK
AU  - Gottlieb, Irving M.
TI  - Simplified practical filter design
SN  - 0830683550
AV  - TK 7872 .F5G67 1990 
PY  - 1990///
CY  - America
PB  - Tab books
KW  - Electric filters
KW  - Design and construction
KW  - Electric filters, Active
ER  -