Fernandes Júnior, P. I., Almeida, J. P. da S., Passos, S. R., Oliveira, P. J. de, Rumjanek, N. G., & Xavier, G. R. (2011). Production and rheological behavior of exopolysaccharide synthesized by pigeonpea rhizobia isolates. Pesquisa Agropecuaria Brasileira, 45(12), 1465–1471. https://doi.org/10.1590/S1678-3921.pab2010.v45.8210