1. Alef, K., & Nannipieri, P. (1995). Methods in applied soil microbiology and biochemistry. London: Academic Press Ltd.
2. Araujo, A. S. F., Monteiro, R. T. R., & Abarkeli, R. B. (2003). Effect of glyphosate on the microbial activity of two Brazilian soils. Chemosphere. doi: 10.1016/S0045-6535(03)00266-2 .
3. Baéz, M. E., Fuentes, E., & Espinoza, J. (2013). Characterization of the atrazine sorption process on andisol and ultisol volcanic ash-derived soils: kinetic parameters and the contribution of humic fractions. Journal of Agricultural and Food Chemistry. doi: 10.1021/jf400950d .
4. Barros, Y. J., Melo, V. F., Dionísio, J. A., de Oliveira, E. B., Caron, L., Kummer, L., de Azevedo, J. C. R., & Souza, L. C. P. (2010). Indicadores de qualidade de solos em área de mineração e metalurgia de chumbo. I Microrganismos. Revista Brasileira de Ciência do Solo. doi: 10.1590/S0100-06832010000400036 .
5. Bonfleur, E. J., Lavorenti, A., & Tornisielo, V. L. (2011). Mineralization and degradation of glyphosate and atrazine applied in combination in a Brazilian oxisol. Journal of Environmental Science and Health. Part B: Pesticides, Food Contaminants, and Agricultural Wastes. doi: 10.1080/03601234.2011.534384 .