Gage, Daniel J. (de junio de 2004). «Infection and Invasion of Roots by Symbiotic, Nitrogen-Fixing Rhizobia during Nodulation of Temperate Legumes». Microbiology and Molecular Biology Reviews68 (2): 280-300. doi:10.1128/mmbr.68.2.280-300.2004.
Downie, J. Allan (de marzo de 2010). «The roles of extracellular proteins, polysaccharides and signals in the interactions of rhizobia with legume roots». FEMS Microbiology Reviews34 (2): 150-170. doi:10.1111/j.1574-6976.2009.00205.x.
