00556naa a2200181 a 450000100080000000500110000800800410001910000180006024501300007826000090020865000140021765000180023165300160024965300250026570000170029070000200030777300470032715979461995-06-27       1976    bl ---       0--  u    #d1 aCANNON, F. C.  aDerivation and properties of F-prime factors in Escherichia coli carrying nitrogen fixation genes from Klebsiella pneumoniae.  c1976  aGenética  aMicrorganismo  aFACULTATIVO  aMICRORGANISMO-VARIOS1 aDIXON, R. A.1 aPOSTGATE, J. R.  tJ. Gen. Microbiol.gv.93, p.111-125, 1976.