Dimov, T., Iliev, I. and Hristova, A. (2022) “Investigation of the Gyrotropy in the Spectral Region of the Absorption ‘Shoulder’ of the Oxide Crystal Bi12SiO20”, Proceedings of the Bulgarian Academy of Sciences. Sofia, Bulgaria, 75(4), pp. 510–518. doi: 10.7546/CRABS.2022.04.05.