1. D. M. Pozar Microwave Engineering 330 337
2. G. Matthaei L. Young E. M. T. Jones Microwave Filters, Impedance-Matching Networks, and Coupling Structures 1980 214 217
3. Bandpass filters using parallel coupled stripline stepped impedance resonators;Makimoto;IEEE Trans. Microwave Theory Tech.,1980
4. Miniaturized coaxial resonator partially loaded with high-dielectric-constant microwave ceramics;Yamashita;IEEE Trans. Microwave Theory Tech.,1983
5. Unloaded Q-factor of stepped-impedance resonators;Stracca;IEEE Trans. Microwave Theory Tech.,1986