“Allozyme analysis of the four species of Hypostomus (Teleostei: Loricariidae) from the Ivaí river, upper Paraná river basin, Brazil - doi: 10.4025/actascibiolsci.v35i4.16355”, Acta Sci. Biol. Sci., vol. 35, nº 4, p. 571–578, jul. 2013, doi: 10.4025/actascibiolsci.v35i4.16355.