C. S. Demétrio, D. F. Filho, J. O. Cazetta, and D. A. Cazetta, “Performance of maize hybrids submitted to different row spacing and population densities”, PAB, vol. 43, no. 12, pp. 1691–1697, Jan. 2009, doi: 10.1590/S1678-3921.pab2008.v43.299.