SERIKBAYEV, B.; KAMYSBAYEV, D.; TILEPBERGEN, Z.; AHMET, O.; UTEULIEV, Z. Electro-catalytic properties of tri-(Fe, Co and Ni) shungite composites. Chemical Bulletin of Kazakh National University, v. 65, n. 1, p. 187-191, 31 mar. 2012.