Sayad, D., C. Zebiri, S. Daoudi, and F. Benabdelaziz. “Analysis of the Effect of a Gyrotropic Anisotropy on the Phase Constant and Characteristic Impedance of a Shielded Microstrip Line”. Advanced Electromagnetics, vol. 8, no. 5, Dec. 2019, pp. 15-22, doi:10.7716/aem.v8i5.946.