Havukainen, L., Leite de Araujo Monteiro Filho, E. y de Fatima Filla, G. 2011. Population density of Sotalia guianensis (Cetacea: Delphinidae) in the Cananéia region, Southeastern Brazil. Revista de Biología Tropical. 59, 3 (sep. 2011), 1275–1284. DOI:https://doi.org/10.15517/rbt.v0i0.3398.