Prudêncio, F. R., Matos, S. A. & Paiva, C. R. (2014). The most general classes of Tellegen media reducible to simple reciprocal media: a geometrical approach. 31st General Assembly and Scientific Symposium of the International Union of Radio Science, URSI GASS 2014. IEEE. https://doi.org/10.1109/URSIGASS.2014.6929065