00381naa a2200145 a 450000100080000000500110000800800410001910000180006024500570007826000090013565000140014465300080015870000200016677300490018616145431995-06-27       1980    bl ---       0--  u    #d1 aROBSON, R. L.  aOxygen and hydrogen in biological nitrogen fixation.  c1980  aOxigênio  aFBN1 aPOSTGATE, J. R.  tAnn. Rev. Microbiol.gv.34, p.183-207, 1980.