@book{
  international1999iaea,
  title={Soils Newsletter Vol. 22, No. 1, June 1999},
  series={Soils Newsletter},
  year={1999},
  url={https://www.iaea.org/publications/5864/soils-newsletter-vol-22-no-1-june-1999},
  publisher={INTERNATIONAL ATOMIC ENERGY AGENCY},
  address={Vienna}
}