Exopolysaccharide-Deficient Mutants of Rhizobium fredii HH303 Which Are Symbiotically Effective

Choong-Hyun Kim, Raymond E. Tully, Donald L. Keister
1989 Applied and Environmental Microbiology  
doi:10.1128/aem.55.7.1852-1854.1989 fatcat:wzrohol2mfgxxmm3xvxj5yfpqm