P. de S. Guimarães, M. E. A. G. Z. Paterniani, R. R. Lüders, A. P. de Souza, P. R. Laborda, and K. M. Oliveira, “Correlation between the heterosis of maize hybrids and genetic divergence among lines”, PAB, vol. 42, no. 6, pp. 811–816, Jun. 2007.