1. Harrington RF (1961) Time harmonic electromagnetic fields. Wiley, New York
2. Richtmyer RD (1939) Dielectric resonator. J Appl Phys 10:391–398
3. Wakino K, Tamura H, Sudo T (1987) Dielectric resonator materials and their applications. Microw J 6:133–148
4. Junker GP, Kajfez D, Kishk AA, Lisson AW (1995, May 11) Effect of aperture filling on slot coupled dielectric resonator antennas operating in HEM11 mode. Electron Lett 31(10):774–775
5. Lee RQ, Simons RN (1994) Bandwidth enhancement of dielectric resonator antennas. In: IEEE antennas and propagation society international symposium, Seattle, WA, June 1994, pp 1500–1503