Hossaka, A. L.; Fernandes, F.; Silva, S. M. C. P. da; Lopes, D. D. <b>Evaluation of Nitrite Accumulation in Biological Treatment Systems, Aiming at Shortcut denitrification</b> - Doi: 10.4025/actascitechnol.V34i3.10798. Acta Sci. Technol. 2012, 34, 261-267.