For citations:
Zayakin O.V., Shartdinov R.R., Smetannikov A.N., Kel’ I.N. Viscosity of niobium oxide systems for production of complex ferroalloys. Izvestiya. Ferrous Metallurgy. 2022;65(6):399-405. (In Russ.) https://doi.org/10.17073/0368-0797-2022-6-399-405