JUUSELA, T. Salaojasyvyyskysymyksen selvittelyä. Agricultural and Food Science, [S. l.], v. 19, n. 1, p. 60–68, 1947. DOI: 10.23986/afsci.71233. Disponível em: https://journal.fi/afs/article/view/71233. Acesso em: 29 nov. 2024.