Meirelles, Walter Fernandes, et al. “Diallel Analysis of Maize Lines As to Their Phosphorus Responsiveness and Use Efficiency”. Pesquisa Agropecuaria Brasileira, vol. 51, no. 3, May 2016, pp. 224-32, doi:10.1590/S1678-3921.pab2016.v51.21986.