00604nam a2200109 a 450000100080000000500110000800800410001924500710006026002310013130000120036250001200037416273882005-01-19       1997    bl uuuu     u01u1 u    #d  aBIOLOGICAL Nitrogen Fixationbthe Global Challenge & Future Needs.  aLake Como, Italy: The Rockefeller Foudation Bellagio Conference Centre, 1997. Notas: A position Paper, Discussed at the Rockefeller Foudation Bellagio Conference Centre, Lake Como, Italy, April, 1997. OBS.:02 exemplares.c1997  a58 p.    aA position Paper, Discussed at the Rockefeller Foudation Bellagio Conference Centre, Lake Como, Italy, April, 1997.