KOLJONEN, T.; CARLSON, L. Behaviour of the major elements and minerals in sediments of four humic lakes in south-western Finland. Fennia - International Journal of Geography, [S. l.], v. 137, n. 1, 1975. Disponível em: https://fennia.journal.fi/article/view/9231. Acesso em: 19 may. 2024.