Moraes, D.A. de C. et al. 2017. Spatial variability of groundwater contamination risk by tebuthiuron in sugarcane area. Pesquisa Agropecuaria Brasileira. 51, 12 (Feb. 2017), 1992–1999. DOI:https://doi.org/10.1590/S1678-3921.pab2016.v51.21579.