Borges de Campos, Alfredo. “Evolution of the Upper São Francisco River Basin Determined by Morphotectonic Analyses, Minas Gerais, Brasil - DOI 10.5216 Bgg.V19i1.15308”. Goiano Bulletin of Geography, vol. 19, no. 1, Aug. 2011, https://doi.org/10.5216/bgg.v19i1.15308.