Chahboune, R. (2011). "Bradyrhizobium cytisi sp. nov., isolated from effective nodules of Cytisus villosus". International Journal of Systematic and Evolutionary Microbiology. 61 (12): 2922–2927. doi:10.1099/ijs.0.027649-0. PMID21257682.
Chahboune, R. (2011). "Bradyrhizobium cytisi sp. nov., isolated from effective nodules of Cytisus villosus". International Journal of Systematic and Evolutionary Microbiology. 61 (12): 2922–2927. doi:10.1099/ijs.0.027649-0. PMID21257682.