1. M. M. Botova, Yu. S. Berman, and S. M. Balyasnikov, Dokl. Akad. Nauk SSSR 256, 1465 (1981).
2. O. A. Naumova, Extended Abstract of Candidate’s Dissertation in Geology and Mineralogy (TsNIGRI, Moscow, 1996).
3. N. E. Savva and G. A. Pal’yanova, Geol. Geofiz. 48, 1028 (2007).
4. N. D. Sindeeva, Mineralogy, types of deposits, main features of selenium and tellurium geochemistry (Izd-vo AN SSSR, Moscow, 1959) [in Russian].
5. E. M. Spiridonov, Proc. Fersman Mineral Museum AN SSSR, No. 33, 128 (1985).