Bueno, L.G. et al. 2010. Genetic control of grain protein content and of agronomic traits in maize cultivated at different levels of nitrogen fertilization. Pesquisa Agropecuaria Brasileira. 44, 6 (Nov. 2010), 590–598. DOI:https://doi.org/10.1590/S1678-3921.pab2009.v44.1881.