Buratini, S. V., M. A. Aragão, R. P. A. Araújo, V. A. Prósperi, and L. I. Werner. “Toxicity Identification Evaluations in Baquirivu-Guaçu River”. Ecotoxicology and Environmental Contamination, vol. 2, no. 3, Oct. 2007, pp. 257-62, doi:10.5132/jbse.2007.03.008.