Botrel, M. de A. et al. 2014. Evaluation and selection of forage legumes for acid and of low fertility soils - I - Stylosanthes spp. Pesquisa Agropecuaria Brasileira. 20, 1 (Apr. 2014), 35–43. DOI:https://doi.org/10.1590/S1678-3921.pab1985.v20.14974.