(1)
Todor Dimov, Ilia Iliev & Antonina Hristova. Recent Study of Optical Activity and Faraday Rotation Around the Edge Absorption of the Crystals \(Bi_{12}SiO_{20}\) and \(Bi_{12}SiO_{20}\):M (M = Co, Fe). AAER-V16 2021, 1-7.