1. Dielectric resonators;Richtmeyer;J. Appl. Phys.,1939
2. Quasidegenerate modes in high εr dielectric cavities;Schlicke;J. Appl. Phys.,1953
3. The rutile microwave resonator;Okaya;Proc. IRE,1960
4. The dielectric microwave resonator;Okaya;Proc. IRE,1962
5. Microwave band pass filters containing high Q dielectric resonators;Cohen;IEEE Trans. Microw. Theory and Techniques,1968