Zhang, Guo-Hua, Yue-Dong Wu, and Kuo-Chih Chou. 2017. “Preparation of High Quality Ferrovanadium Nitride by Carbothermal Reduction Nitridation Process”. Journal of Mining and Metallurgy, Section B: Metallurgy 53 (3): 383. https://asistent.ceon.rs/index.php/jmm/article/view/13144.