“Gold-Tellurium-Bismuth Mineralization of Various Types рrecious Mineralization in Ferruterous Quartzites and Interore Shale of the Kursk Series KMA”. Proceedings of Voronezh State University. Series: Geology, no. 2, May 2018, pp. 107-14, https://doi.org/10.17308/geology.2018.2/1542.