Kalesnik, F., e P. Aceñolaza. “<strong>Regional Distribution of Native and Exotic Species in Levees of the Lower Delta of the Paraná river</strong&gt; - DOI: 10.4025/actascibiolsci.V30i4.5869”. Acta Scientiarum. Biological Sciences, Vol. 30, nº 4, novembro de 2008, p. 391-02, doi:10.4025/actascibiolsci.v30i4.5869.