Hungria, M. and Neves, M.C.P. (2014) “Interactions between Phaseolus vulgaris cultivars and Rhizobium strains in nitrogen fixation and transport”, Pesquisa Agropecuaria Brasileira, 21(2), pp. 127–140. doi:10.1590/S1678-3921.pab1986.v21.14680.