Silva, Paulo José Mota da, Adriana Maria Coimbra Horbe, and Marco Antonio Horbe. 2012. “Mineralogy and Geochemistry of Manganese Occurrences from Alto Tapajós Basin, Southeastern Amazonas State, Brazil”. Boletim Do Museu Paraense Emílio Goeldi - Ciências Naturais 7 (1): 11-28. https://doi.org/10.46357/bcnaturais.v7i1.603.