KAILA, A. Basic exchangeable cations in Finnish mineral soils. Agricultural and Food Science, [S. l.], v. 44, n. 3, p. 164–170, 1972. DOI: 10.23986/afsci.71821. Disponível em: https://journal.fi/afs/article/view/71821. Acesso em: 29 mar. 2024.