1. Khamas, S. K., M. J. Mehler, T. S. M. Maclean, C. E. Gough, and N. M. Alford, "High-T_c superconducting short dipole antenna," Electronics Letters, Vol. 24, 460-461, 1988.
doi:10.1049/el:19880311

2. Nisenoff, M. and J. Pond, "Superconductors and microwaves," Microwave Magazine, 10.1109/MMM.2009.932077, 2009.

3. Kumar, G., Broadband Microstrip Antennas, Artech House, Boston, London, 2003, ISBN: 1-58053-244-6.

4. Losada, V., R. R. Boix, and M. Horno, "Resonant modes of circular micristrip patches in multilayered substrates," IEEE Transactions on Microwave Theory and Techniques, Vol. 47, No. 10, 488-498, 2000.

5. Bouttout, F., F. Benabdelaziz, A. Benghalia, D. Khedrouche, and T. Fortaki, "Uniaxialy anisotropic substrate effects on resonance of rectangular microstrip patch antenna," Electronics Letters, Vol. 35, No. 4, 255-256, 1999.
doi:10.1049/el:19990026

6. Barkat, O. and A. Benghalia, "Synthesis of superconducting circular antennas placed on circular array using a particle swarm optimisation and the full-wave method," Progress In Electromagnetics Research B, Vol. 22, 103-119, 2010.
doi:10.2528/PIERB10042404

7. Pozar, D. M., "Considerations for millimeter wave printed antennas," IEEE Transactions on Antennas and Propagation, Vol. 31, 740-747, 1983.
doi:10.1109/TAP.1983.1143124

8. Hansen, R. C., Electrically Small, Superdirective, and Superconducting Antennas, John Wiley & Sons, Inc., Hoboken, New Jersey, 2006.
doi:10.1002/0470041048

9. Chebbara, F., S. Benkouda, and T. Fortaki, "Fourier transform domain analysis of high T_c superconducting rectangular microstrip patch over ground plane with rectangular aperture," Journal of Infrared, Millimeter, and Terahertz Waves, Vol. 31, No. 881-832, Springer, 2010.

10. Benmeddour, F., F. Benabdelaziz, F. Bouttout, and N. Aouabdia, "Resonance characteristics of circular microstrip antennas using moment method and various current representations," First International Symposium on Control, Communications and Signal Processing, 10.1109/ISCCSP.2004.1296296, 339-342, 2004.

11. Chew, W. C. and J. A. Kong, "Resonance of non axial symmetric modes in circular micro strip disk," Mathematical Physics, Vol. 21, No. 10, 2590-2598, 1980.
doi:10.1063/1.524366

12. Nghiem, D., J. T. Williams, and D. R. Jackson, "A general analysis of propagation along multiple-layer superconducting stripline and microstrip transmission lines," IEEE Transactions Microwave Theory and Techniques, Vol. 39, No. 9, 1553-1565, 1991.
doi:10.1109/22.83831

13. Richard, M. A., K. B. Bhasin, and P. C. Claspy, "Superconducting microstrip antennas: An experimental comparison of two feeding methods," IEEE Transactions on Antennas and Propagation, Vol. 41, No. 7, 967-974, 1993.
doi:10.1109/8.237630

14. How, H., R. G. Seed, C. Vittoria, D. B. Chrisey, J. S. Horwitz, C. Carosella, and V. Folen, "Microwave characteristics of high T_c superconducting coplanar waveguide resonator," IEEE Transactions on Microwave Theory and Techniques, Vol. 40, No. 8, 1668-1673, 1992.
doi:10.1109/22.149546

15. Lee, K. F., K. Yho, and J. S. Dahel, "Circular-disk microstrip antenna with an air gap," IEEE Transactions on Antennas and Propagation, Vol. 32, No. 8, 1984.

16. Guha, D., "Resonant frequency of circular microstrip antennas with and without air gaps," IEEE Transactions on Antennas and Propagation, Vol. 49, No. 1, 2001.
doi:10.1109/8.910530

17. Gürel, Ç. S., E. Aydın, and E. Yazgan, "Computation and optimisation of resonant frequency and input impedance of coax-fed circular patch microstrip antenna," Microwave and Optical Technology Letters, Vol. 49, No. 9, 2007.

18. Dahel, J. S. and K. F. Lee, "Theory and experiment on microstrip antenna with air-gap," IEEE Proceeding, Vol. 132, No. 7, 455-460, 1985.

19. Fortaki, T., S. Benkouda, M. Amir, and A. Benghalia, "Air gap tuning effect on the resonant frequency and half-power bandwidth of superconducting microstrip patch," PIERS Online, Vol. 5, No. 4, 350-354, 2009.
doi:10.2529/PIERS081011143520