1. Rozhikhina, I.D., Nokhrina, O.I., Elkin, K.S., and Golodova, M.A., Ferroalloy production: the state and trends of development in the world and in Russia, Trudy XXI Mezhdunarodnoi nauchno-prakticheskoi konferentsii “Metallurgiya: tekhnologii, innovatsii, kachestvo” (Metallurgiya–2019) (Proc. XXI Int. Sci.-Pract. Conf. “Metallurgy: Technologies, Innovations, and Quality” (Metallurgy–2019)), Novokuznetsk: Sib. Gos. Ind. Univ., 2019, part 1, pp. 20–32.
2. Ferrosplavy. Tsvetnye metally. Spravochnik (Ferroalloys. Nonferrous Metals: Handbook), Moscow: Edinye Ferrosplavnye Sist., 2006.
3. A brief history of alloying of steel and ferroalloy production. http://www.urm-company.ru/upload/iblock/55d/ 55d37dd1eba407afd28de86efd312fd6.pdf.
4. Boyarko, G.Yu. and Khat’kov, V.Yu., Commodity flows of ferroalloys in Russia, Chern. Met., 2018, no. 3, pp. 60–69.
5. Manganese ores, in Gosudarstvennyi doklad “O sostoyanii i ispol’zovanii mineral’no-syr’evykh resursov Rossiiskoi Federatsii v 2018 godu” (State Report “On the State and Use of Mineral Resources of the Russian Federation in 2018”), Moscow: Vseross. Nauchno-Issled. Inst. Miner. Syr’ya, 2019, pp. 105–113.