B. N. Rodrigues, E. Voll, I. F. U. Yada, and J. de Lima, “Emergence of Brachiaria plantaginea (Link) Hitch. in two regions of Paraná State, Brazil”, PAB, vol. 35, no. 12, pp. 2363–2373, Dec. 2000, doi: 10.1590/S1678-3921.pab2000.v35.6032.