@book{
  international2019iaea,
  title={Soils Newsletter Vol.42 No.1, July 2019},
  series={Soils Newsletter},
  number={42/01},
  year={2019},
  url={https://www.iaea.org/publications/13596/soils-newsletter-vol42-no1-july-2019},
  publisher={INTERNATIONAL ATOMIC ENERGY AGENCY},
  address={Vienna}
}