00525naa a2200157 a 450000100080000000500110000800800410001910000180006024501100007826000090018865000120019765000160020965000140022570000190023977301090025811978062009-01-09       1989    bl uuuu     u00u1 u    #d1 aARAUJO, R. S.  aNodulation competitiveness of mutants of Rhizobium leguminosarum bv. phaseoli with altered cell surfaces.  c1989  aMutante  aNodulação  aRhizobium1 aHANDELSMAN, J.  tIn: NORTH AMERICAN SYMBIOTIC NITROGEN FIXATION CONFERENCE, 12., 1989, Ames. Abstracts... [s.n.t.], 1989.