L. F. M. Velho, “<b>Structure of planktonic ciliates community (Protist, Ciliophora) from an urban lake of southern Brazil</b&gt; - doi: 10.4025/actascibiolsci.v35i4.18579”, Acta Sci. Biol. Sci., vol. 35, nº 4, p. 531-539, jul. 2013.