Bergue, Cristianini, and João Coimbra. 2008. “The Faunal and Geochemical Approaches in the Calcareous Microfossils and Their Applications to the Palaeoceanography and Palaeoclimatology”. Boletim Do Museu Paraense Emílio Goeldi - Ciências Naturais 3 (2), 115-26. https://doi.org/10.46357/bcnaturais.v3i2.680.