Marmontel, M., J. Calvimontes, and O. Carvalho. “Rediscovery of Pteronura Brasiliensis in the Amanã Sustainable Development Reserve, Amazonas, Brazil”. Latin American Journal of Aquatic Mammals, vol. 10, no. 2, Dec. 2015, pp. 147-51, doi:10.5597/lajam00207.