Silva, Rafael Rodrigues da, Gustavo de Faria Theodoro, Cláudia Barrios de Libório, and Luis Gustavo Amorim Pessoa. 2012. “Effect of Crop Density of Two Genotypes of Maize in the Severity of Gray Leaf Spot and Yield in the Second Season Crop”. Semina: Ciências Agrárias 33 (4):1449-54. https://doi.org/10.5433/1679-0359.2012v33n4p1449.