Mariani, Franciele, et al. “Adaptive Value and Competitive Ability of Ryegrass Resistant and Susceptible to Iodosulfuron in Competition With Wheat”. Pesquisa Agropecuaria Brasileira, vol. 51, no. 6, Aug. 2016, pp. 710-9, doi:10.1590/S1678-3921.pab2016.v51.20808.