HEINONEN, R. Mekaanisesta maa-analyysistä. Agricultural and Food Science, [S. l.], v. 25, n. 1, p. 1–8, 1953. DOI: 10.23986/afsci.71330. Disponível em: https://journal.fi/afs/article/view/71330. Acesso em: 17 may. 2024.