Cavalieri, Sidnei Douglas, et al. “Contrasts Among Origins of Corn Hybrids in Relation to Their Susceptibility to Nicosulfuron and Isoxaflutole Herbicides”. Semina: Ciências Agrárias, vol. 31, no. 4, Dec. 2010, pp. 811-22, doi:10.5433/1679-0359.2010v31n4p811.