Silva, G.G. da and Franco, A.A. 2014. Selection of <i>Rhizobium</i> spp. strains in culture medium for acid soils. Pesquisa Agropecuaria Brasileira. 19, 13 (Apr. 2014), 169–173. DOI:https://doi.org/10.1590/S1678-3921.pab1984.v19.17510.