Anatoly Boguslavsky, В. А. Андроханов, I.N. Gossen, Olga Saeva. THE GEOCHEMICAL BACKGROUND OF TECHNOSOL FORMED ON THE COAL MINING SPOILS. SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 20th International Multidisciplinary Scientific GeoConference Proceedings SGEM 2020, Water Resources. Forest, Marine and Ocean Ecosystems, 2020, pp. 589-596. https://doi.org/10.5593/sgem2020/3.1/s13.076