SÖDERSTRÖM, M.; ISENDAHL, C.; ERIKSSON, J.; ARAÚJO, S. R.; REBELLATO, L.; SCHAAN, D. P.; STENBORG, P. Using proximal soil sensors and fuzzy classification for mapping Amazonian Dark Earths. Agricultural and Food Science, [S. l.], v. 22, n. 4, p. 380–389, 2013. DOI: 10.23986/afsci.8195. Disponível em: https://journal.fi/afs/article/view/8195. Acesso em: 23 apr. 2024.