Purcino, A. A.C., and J. Q. Lynd. “Effect of Soil Fertility on Regrowth Vigor, Nodulation, and Nodule Physiology of <i>Cratylia floribunda< I> Benth”. Pesquisa Agropecuaria Brasileira, vol. 19, no. 6, Apr. 2014, pp. 669-78, doi:10.1590/S1678-3921.pab1984.v19.15741.