Rufini, Márcia, et al. “Bradyrhizobium Strains in Symbiosis With Dwarf Pigeon Pea under Greenhouse and Field Conditions”. Pesquisa Agropecuaria Brasileira, vol. 49, no. 3, May 2014, pp. 197-06, https://doi.org/10.1590/S1678-3921.pab2014.v49.18849.