Barros, Ana Maria, et al. “Genetic and Ecological Variability of <i>Stylosanthes macrocephala< i> Determined by RAPD Markers and GIS”. Pesquisa Agropecuaria Brasileira, vol. 40, no. 9, Sept. 2005, pp. 899-0, doi:10.1590/S1678-3921.pab2005.v40.7043.