Campo, Rubens José, and Martin Wood. “Residual Effects of Successive Exposure of Soybean Bradyrhizobium Strains to Aluminium on Solid Defined Medium”. Pesquisa Agropecuaria Brasileira 36, no. 11 (November 1, 2001): 1399–1407. Accessed October 15, 2026. https://apct.sede.embrapa.br/pab/article/view/6273.