Pedrosa, F. de O., Nascimento, A. J. do, Alvahydo, R., & Döbereiner, J. (2014). Leghemoglobin and molybdenum contente in soybean (Glycine max) nodules inoculated with Rhizobium strains of normal and exceptional efficiency. Pesquisa Agropecuaria Brasileira, 5(1), 373–379. https://doi.org/10.1590/S1678-3921.pab1970.v5.17826