NUUTINEN, V.; HAUKKA, J. Conventional and organic cropping systems at Suitia VII: Earthworms. Agricultural and Food Science, [S. l.], v. 62, n. 4, p. 357–367, 1990. DOI: 10.23986/afsci.72910. Disponível em: https://journal.fi/afs/article/view/72910. Acesso em: 17 jul. 2024.