Emin-Lima, R., Moura, L. N., Rodrigues, A. L. F., & Silva, M. L. (2010). Note on the group size and behavior of Guiana dolphins (<i>Sotalia guianensis</i>) (Cetacea: Delphinidae) in Marapanim Bay, Pará, Brazil. Latin American Journal of Aquatic Mammals, 8(1-2), 167-170. https://doi.org/10.5597/lajam00165