Carbothermal and boron carbide reduction of oxides of some transition metals Yuriy L. Krutskii, Tatiana M. Krutskaya, Tatiana S. Gudyma, Konstantin B. Gerasimov, Roman R. Khabirov and Anna V. Mass MATEC Web Conf., 340 (2021) 01040 Published online: 08 July 2021 DOI: 10.1051/matecconf/202134001040