HASTIK, R.; GEITNER, C.; NEUBURGER, M. Amazonian Dark Earths in Bolivia? A soil study of anthropogenic ring ditches near Baures (eastern Llanos de Mojos). ERDKUNDE, [S. l.], v. 67, n. 2, p. 137–149, 2013. DOI: 10.3112/erdkunde.2013.02.03. Disponível em: https://www.erdkunde.uni-bonn.de/article/view/2725. Acesso em: 23 apr. 2024.