Lourenço, L. da S., Y. R. Súarez, and A. C. Florentino. “Populational Aspects of Serrapinnus Notomelas (Eigenmann, 1915) E Bryconamericus Stramineus Eigenmann, 1908 (Characiformes: Characidae) in Streams of Ivinhema River Basin, Upper Paraná Basin”. Biota Neotropica, vol. 8, no. 4, Dec. 2008, //www.biotaneotropica.org.br/BN/article/view/438.