YLI-HALLA, M.; MOKMA, D. L.; WILDING, L. P. Formation of a cultivated spodosol in east-central Finland. Agricultural and Food Science, [S. l.], v. 15, n. 1, p. 12–22, 2006. DOI: 10.2137/145960606777245560. Disponível em: https://journal.fi/afs/article/view/5830. Acesso em: 19 may. 2024.