00481naa a2200169 a 450000100080000000500110000800800410001910000200006024500590008026000090013965000130014865000160016165300120017765300130018970000230020277300860022517986672017-04-26       1978    bl ---       0--  u    #d1 aBERINGER, J. E.  aCritique - of control of biological nitrogen fixation.  c1978  anitrogen  aNitrogênio  aFixacao  aFixation1 aJOHNSTON, A. W. B.  tIn: Nitrogen in the environment. New York, Academic Press, 1978.gv.2, p.417-428.