Vasconcelos, I., Almeida, R. T. de and Landim, C. M. (2014) “Strain collection of Rhizobium spp. isolated from arboreus legumes in the state of Ceará, Brazil”, Pesquisa Agropecuaria Brasileira, 19(13), pp. 181–183. doi: 10.1590/S1678-3921.pab1984.v19.17522.