Bieg, Bohdan, and Janusz Chrzanowski. “Electromagnetic Wave Polarization State Evolution in Weakly Anisotropic and Nonuniform Media With Dissipation”. Photonics Letters of Poland 9, no. 3 (September 30, 2017): pp. 94–96. Accessed November 20, 2024. http://m.photonics.pl/PLP/index.php/letters/article/view/9-34.