1. Tuned integrated circuits—a state of the art survey;Newell,1964
2. FEN-filter design using tantalum and silicon integrated circuits;Moschytz,1970
3. Ultrasonics in integrated electronics;Newell,1965
4. Design of Analog Filters: Passive, Active RC and Switched Capacitor;Schauman,1990
5. A 400-Cps tuning fork filter;O'Connor,1960