H. Kolobov, V. Panova, T. Nesterenko, A. Kirichenko, V. Rumyantsev, and R. Volyar, “MODERN STATE AND PROGNOSIS OF DEVELOPMENT FOR WORLD TITANIC INDUSTRY ON PERIOD TO 2026: Report 4. Ferrotitanium”, MET, no. 1, pp. 5-10, Feb. 2021.