00598naa a2200205 a 450000100080000000500110000800800410001910000170006024501210007726000090019865000170020765000160022465000140024065000180025465000140027270000160028670000150030270000150031777300600033216023121995-06-27       1980    bl ---       0--  u    #d1 aSMEDT, J. DE  aIntra and intergeneric similarities of ribosomal ribonucleic acid cistrons of free-living, nitrogen-fixing bacteria.  c1980  aAzospirillum  aAzotobacter  aGenética  aMicrorganismo  aTaxonomia1 aBAUWENS, M.1 aTYTGAT, R.1 aDE LEY, J.  tInt. J. System. Bacteriol.gv.30, n.1, p.106-122, 1980.