00513naa a2200193 a 450000100080000000500110000800800410001910000160006024500580007626000090013465000170014365000120016065000180017265000100019065000140020065300170021470000170023177300710024816023591995-06-27       1978    bl ---       0--  u    #d1 aVLASSAK, K.  aAssociative dinitrogen fixation in temperate regions.  c1978  aAzospirillum  aCynodon  aMicrorganismo  aMilho  aRizosfera  aTRIGO/CEVADA1 aREYNDERS, L.  tIn: Isotopes in Biological Dinitrogen Fixationgv., p.71-87, 1978.