Autor
Joint FAO/IAEA Division of Atomic Energy in Food and Agriculture
2
Duc, Pierre
1
Food and Agriculture Organization of the United Nations
1
Groupe d'études méthodologiques pour l'analyse des sols
1
International Atomic Energy Agency
1
Joint Commission on Applied Radioactivity
1
Journées de l'analyse de terre
1
Levy, George C.
1
Lichter, Robert L.
1
Research Co-ordination Meeting and Panel on Tracer Techniques in Studies on the Use of Non-Protein Nitrogen (NPN) in Ruminants Vienna)
1
Research Co-ordination Meeting on Tracer Techniques in Studies on the Use of Non-protein Nitrogen (NPN) in Ruminants, Alexandria, Egypt
1
Symposium on the Use of Isotopes in Studies of Nitrogen Metabolism in the Soil-Plant-Animal System Vienna
1