Felisberto, S. A.; Rodrigues, L. <b>Periphytic Algal Community in Artificial and Natural Substratum in a Tributary of the Rosana Reservoir (Corvo Stream, Paraná State, Brazil)</b&gt; - Doi: 10.4025/actascibiolsci.V32i4.4627. Acta Sci. Biol. Sci. 2010, 32, 373-385.