Viana, Bruno Leal, et al. “Repeatability of Morphophysiological and Yield Characteristics and Response of Dwarf Elephant Grass under Grazing”. Pesquisa Agropecuaria Brasileira, vol. 44, no. 12, Dec. 2010, pp. 1731-8, doi:10.1590/S1678-3921.pab2009.v44.2976.