S. Biolo e L. Rodrigues, “<b>Structure of the periphytic algae associated with a floating macrophyte in an open lake on the upper Paraná river floodplain, Brazil</b&gt; - doi: 10.4025/actascibiolsci.v35i4.18663”, Acta Sci. Biol. Sci., vol. 35, nº 4, p. 513-519, jul. 2013.