Machado, Luís Armando Zago, et al. “Sward Structure of Marandu Palisade Grass Pastures at Four Allowances of Leaf Blade”. Pesquisa Agropecuaria Brasileira, vol. 42, no. 10, Oct. 2007, pp. 1495-01, doi:10.1590/S1678-3921.pab2007.v42.7724.