Mitteregger-Júnior, H., Ferraz-Dias, J., Lúcia-Yonema, M., Arenzon, A., Silva, J. and Pegas-Henriques, J. A. (2006) “Evaluation of Toxic and Genotoxic Water and Sediment Activities in Estância Velha Stream – Leather and Footwear Industry Region – Using Allium cepa”, Ecotoxicology and Environmental Contamination, 1(2), pp. 147–151. doi: 10.5132/jbse.2006.02.011.