@book{
      international1998iaea,
      title={The Use of Nuclear Techniques in the Management of Nitrogen Fixation by Trees to Enhance Fertility of Fragile Tropical Soils - Results of a Co-ordination Research Project},
      author={ },
      series={entity},
      number={1053 },
      year={1998},
      isbn={ },
      url={/publications/5350/the-use-of-nuclear-techniques-in-the-management-of-nitrogen-fixation-by-trees-to-enhance-fertility-of-fragile-tropical-soils-results-of-a-co-ordination-research-project },
      publisher={INTERNATIONAL ATOMIC ENERGY AGENCY },
      address={Vienna}
    }