00492naa a2200133 a 450000100080000000500110000800800410001910000180006024500680007826000090014665300120015570000200016777301710018716087561995-06-27       1989    bl ---       0--  u    #d1 aSPRENT, J. I.  aMechanisms of infection of plants by nitrogen fixing organisms.  c1989  aUAPNPBS1 aFARIA, S. M. DE  tIn: Nitrogen Fixation with Non-legumes; The Fourth International Symposium on "Nitrogen Fixation with Non-legumes", Rio de Janeiro, 23-28 August 1987.gv., p.-, 1989.