F. E. Torres, C. B. do Valle, B. Lempp, P. E. Teodoro, A. dos Santos, and L. P. Ribeiro, “Forage quality trait contribution to crude protein content in Urochloa brizantha”, PAB, vol. 51, no. 3, pp. 284–287, May 2016, doi: 10.1590/S1678-3921.pab2016.v51.22147.