VUORINEN, J. On the amounts of minor elements in Finnish soils. Agricultural and Food Science, [S. l.], v. 30, n. 1, p. 30–35, 1958. DOI: 10.23986/afsci.71465. Disponível em: https://journal.fi/afs/article/view/71465. Acesso em: 5 jul. 2024.