“ Symbiotic Efficiency and Genetic Characteristics of Bradyrhizobium Sp. Strain UFSM LA 1.3 Isolated from Lupinus Albescens (H. Et Arn) ”. Scientia Agricola, vol. 67, no. 6, Dec. 2010, pp. 702-6, https://doi.org/10.1590/S0103-90162010000600012.