Miranda, C.H.B. et al. 2014. Specificity and competitiveness of rhizobium strains in Centrosema under controlled conditions. Pesquisa Agropecuaria Brasileira. 20, 10 (Apr. 2014), 1157–1161. DOI:https://doi.org/10.1590/S1678-3921.pab1985.v20.16262.