Blanco, H.G. and Oliveira, D. de A. 2014. Persistence of ametryne, atrazine, simazine and diuron in soil, after repeated annual applications in sugar cane culture. Pesquisa Agropecuaria Brasileira. 24, 9 (Apr. 2014), 1161–1168. DOI:https://doi.org/10.1590/S1678-3921.pab1989.v24.16318.