W. C. de Jesus, E. M. Brasil, J. P. de Oliveira, G. R. C. Pinto, L. J. Chaves, and M. R. Ramos, “HETEROSIS TO GRAIN PROTEIN CONTENT IN CROSSES AMONG MAIZE POPULATIONS DERIVED FROM COMMERCIAL HYBRIDS”, Pesq. Agropec. Trop., vol. 38, no. 1, pp. 32–38, Apr. 2008, doi: 10.5216/pat.v38i1.3626.