Streltsov, V., V. Evtekhov, A. Evtekhova, and M. Shepelyuk. 2018. “Technological Mineralogy of Iron Ore Riebeckite Metasomatites of Kryvyi Rih Basin”. Visnyk of Taras Shevchenko National University of Kyiv. Geology 2 (81): 23-27. https://doi.org/10.17721/1728-2713.81.03.