00602naa a2200205 a 450000100080000000500110000800800410001910000170006024500980007726000090017565000170018465000160020165300120021770000180022970000240024770000190027170000160029070000190030677300710032516025191995-06-27       1981    bl ---       0--  u    #d1 aYATES, M. G.  aH2 metabolism and nitrogenase activity in Azotobacter chrococcum and Azospirillum brasilense.  c1981  aAzospirillum  aAzotobacter  aUAPNPBS1 aWALKER, C. C.1 aPARTRIDGE, C. D. P.1 aPEDROSA, F. O.1 aSTEPHAN, M.1 aDOBEREINER, J.  tIn: Current Perspectives in Nitrogen Fixationgv., p.97-100, 1981.