HEINONEN, R.; PUKKALA, R. Seasonal variation in soil structure. Agricultural and Food Science, [S. l.], v. 26, n. 1, p. 117–119, 1954. DOI: 10.23986/afsci.71351. Disponível em: https://journal.fi/afs/article/view/71351. Acesso em: 29 nov. 2024.