NEVES, M. C.; FERNANDES, M. S.; SÁ, M. F. Nitrogen assimilation by nodulate plants of Phaseolus vulgaris L. and Vigna unguiculata (L.) Walp. Pesquisa Agropecuaria Brasileira, v. 17, n. 5, p. 689–695, 16 Apr.2014.