dos Santos, M.V., dos Santos, R.J., Lira Jr., M.A., da Cunha, M.V., Dubeux Jr., J.C., de Souza, E.M., de Mello, A.C. and Teixeira, V.I. 2014. Nitrogen fixation potential with <i>Macroptilium</i> of native rhizobial populations in semi-arid Pernambuco, Brazil. Tropical Grasslands-Forrajes Tropicales. 2, 1 (Apr. 2014), 136–137. DOI:https://doi.org/10.17138/tgft(2)136-137.