Vieira, R. F., Tsai, S. M., & Teixeira, M. A. (2005). Nodulation and symbiotic nitrogen fixation in bean with rhizobium native strains, in soil amended with sewage sludge. Pesquisa Agropecuaria Brasileira, 40(10), 1047–1050. https://doi.org/10.1590/S1678-3921.pab2005.v40.7063