00568naa a2200205 a 450000100080000000500110000800800410001910000300006024500960009026000090018665000140019565000180020965300160022765300120024365300170025570000180027270000180029070000180030877300360032616039971995-06-27       1981    bl ---       0--  u    #d1 aBUCHANAN WOLLASTON, A. V.  aRole of the nifA gene product in the regulation of nif expression in Klebsiella pneumoniae.  c1981  aGenética  aMicrorganismo  aFacultativo  aGenetic  aMicrorganism1 aCANNON, M. C.1 aBEYNON, J. L.1 aCANNON, F. C.  tNaturegv.294, p.776-778, 1981.