E. M. Osnitsky. "STUDY OF THE EFFECT OF BOTANICAL COMPOSITION OF PEAT BOGS OF OB-IRTYSH INTERFLUVE ON THE STRUCTURE OF MACROMOLECULES OF HUMIC ACIDS." SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 19th International Multidisciplinary Scientific GeoConference SGEM2019, Water Resources. Forest, Marine and Ocean Ecosystems, 2019, pp. 449-458. https://doi.org/10.5593/sgem2019/3.2/s13.059