Madureira Brasil, Edward, and Yvo de Carvalho. 1998. “Maize Hybrids Performance in Relation to Phaeosphaeria Maydis in Different Sowing Times”. Pesquisa Agropecuaria Brasileira 33 (12): 1977-81. https://doi.org/10.1590/S1678-3921.pab1998.v33.5024.