Campo, Rubens José, and Martin Wood. 2001. “Residual Effects of Successive Exposure of Soybean <i>Bradyrhizobium< i> Strains to Aluminium on Solid Defined Medium”. Pesquisa Agropecuaria Brasileira 36 (11):1399-1407. https://doi.org/10.1590/S1678-3921.pab2001.v36.6273.