GUZEVA, Alina V.; KRYLOVA, Ekaterina A.; FEDOROVA, Irina V. Environmental aspects of molecular composition of humic acids isolated from lake sediments of a permafrost-affected area of the Arctic. Polish Polar Research, [S. l.], v. 42, n. 3, p. 173–191, 2021. DOI: 10.24425/ppr.2021.137142. Disponível em: https://wydawnictwo.pan.pl/index.php/ppr/article/view/2930. Acesso em: 5 sep. 2026.