1. Temnov, A.V. and Bykhovskii, L.Z., Miner. Resur. Ross. Ekon. Upr., 2021, nos. 1–6, p. 6.
2. Rubinshtein, Yu.B., Lavrinenko, A.A., Yusupov, T.S., and Linev, B.I., Sbornik dokladov Mezhdunarodnoi konferentsii Mezhdunarodnogo soveshchaniya “Progressivnye metody obogashcheniya i kompleksnoi pererabotki prirodnogo i tekhnogennogo mineral’nogo syr’ya” (Plaksinskie chteniya – 2014), Almaty, 16–19 sentyabrya 2014 g. (Proc. Int. Conference “Progressive Methods for Enriching and Complex Processing of Natural and Technogenic Mineral Raw Materials” (Plaksin Readings – 2014), Almaty, September 16–19, 2014), Almaty: Arko, 2014, p. 51.
3. Lavrinenko, A.A., Kunilova, I.V., Gol’berg, G.Yu., Lusinyan, O.G., and Kravchenko, V.N., Sbornik dokladov Mezhdunarodnoi konferentsii “Innovatsionnye protsessy kompleksnoi pererabotki prirodnogo i tekhnogennogo mineral’nogo syr’ya” (Plaksinskie chteniya - 2020), Apatity, 21–26 sentyabrya 2020 g. (Proc. Int. Conference “Innovative Processes of Complex Processing of Natural and Technogenic Mineral Raw Materials” (Plaksin Readings – 2020), Apatity, September 21–26, 2020), Apatity: Federal Research Center Kola Scientific Center Russ. Acad. Sci., 2020, p. 309.
4. Oskembekov, I.M., Bekturganov, N.S., and Akubaeva, M.A., Sbornik dokladov Mezhdunarodnoi konferentsii Mezhdunarodnogo soveshchaniya “Progressivnye metody obogashcheniya i kompleksnoi pererabotki prirodnogo i tekhnogennogo mineral’nogo syr’ya” (Plaksinskie chteniya – 2014), Almaty, 16–19 sentyabrya 2014 g. (Proc. Int. Conference “Progressive Methods for Enriching and Complex Processing of Natural and Technogenic Mineral Raw Materials” (Plaksin Readings – 2014), Almaty, September 16–19, 2014), Almaty: Arko, 2014, p. 376.
5. Vyalov, V.I., Kuzevanova, E.V., Nelyubov, P.A., Zmievskii, Yu.P., and Klyucharev, D.S., Razved. Okhr. Nedr, 2010, no. 12, p. 53.