Lodygin E, Vasilevich R. Molecular-mass Distribution of Humic Substances from Arctic Soils According to Size Exclusion Chromatography. PPRes [Internet]. 2020 Nov. 24 [cited 2026 Sep. 1];41(4):271–287. Available from: https://wydawnictwo.pan.pl/index.php/ppr/article/view/3036