@book{
      international2000iaea,
      title={Management and Conservation of Tropical Acid Soils for Sustainable Crop Production},
      author={ },
      series={entity},
      number={1159 },
      year={2000},
      isbn={ },
      url={/publications/6036/management-and-conservation-of-tropical-acid-soils-for-sustainable-crop-production },
      publisher={INTERNATIONAL ATOMIC ENERGY AGENCY },
      address={Vienna}
    }