H. PAVANATO, C. Salazar, . D. . Lima, M. . Paschoalini, N. . Ristau, and M. Marmontel, “Density, abundance and group size of river dolphins (Inia geoffrensis and Sotalia fluviatilis) in Central Amazonia, Brazil”, JCRM, vol. 20, no. 1, pp. 93–100, Jan. 2019.