[1]
P. I. Tremarin, L. M. Bertolli, D. M. de Faria, J. C. Costin, and T. A. V. Ludwig, “Gomphonema Ehrenberg e Gomphosphenia Lange-Bertalot (Bacillariophyceae) from Maurício river, Paraná, Brazil”, Biota Neotrop., vol. 9, no. 4, Dec. 2009.