Ostiz, Sonia de Barros, et al. “The Effects of Agrochemicals on Survival and Respiratory Actvity of <i>Rhizobium leguminosarum< i> Bv. <i>Phaseoli< > and <i>Bradyrhizobium japonicum< I>”. Pesquisa Agropecuaria Brasileira, vol. 24, no. 6, Apr. 2014, pp. 663-7, doi:10.1590/S1678-3921.pab1989.v24.15863.