Fachín-Terán, A.; Vogt, R. C. Population Structure, Size and Sex Ratio in Podocnemis Unifilis (Testudines, Podocnemididae) in the Guaporé River (RO), Northern Brazil. Phyllomedusa 2004, 3 (1), 29-42. https://doi.org/10.11606/issn.2316-9079.v3i1p29-42.