F. C. Dalchiavon, C. G. P. de Carvalho, R. F. Amabile, V. de P. C. Godinho, N. P. Ramos, and J. L. Anselmo, “Agronomic traits and their correlations in sunflower hybrids adapted to second crop”, PAB, vol. 51, no. 11, pp. 1806–1812, Dec. 2016.