[1]
N. G. Fleck, I. P. Mengarda, and J. J. O. Pinto, “Weed interference in sunflower. Competition in space”, PAB, vol. 24, no. 9, pp. 1131–1137, Apr. 2014, doi: 10.1590/S1678-3921.pab1989.v24.16238.