@book{
      international2007iaea,
      title={Management Practices for Improving Sustainable Crop Production in Tropical Acid Soils},
      author={ },
      series={entity},
      number={ },
      year={2007},
      isbn={978-92-0-155007-1 },
      url={/publications/7720/management-practices-for-improving-sustainable-crop-production-in-tropical-acid-soils },
      publisher={INTERNATIONAL ATOMIC ENERGY AGENCY },
      address={Vienna}
    }