Pereira, Tatiana Pires, et al. “Characterization of Forage and Extrusa Clones Dwarf Elephant Grass under Rotational Stocking”. Semina: Ciências Agrárias, vol. 35, no. 5, Nov. 2014, pp. 2635-48, doi:10.5433/1679-0359.2014v35n5p2635.