Sa, N.M.H. Scotti, M.R.M.L. Vargas, M.A.T. Dobereiner, J.
Resistencia natural a estreptomicina e eficiencia de estirpes de rhizobium nativas nos cerrados associadas a stylosanthes [Brasil]
Spontaneous streptomycin resistance and efficiency of rhizobium strains native in brazilian cerrados associated with stylosanthes