@book{
  international1981iaea,
  title={Statistical Treatment of Environmental Isotope Data in Precipitation},
  series={Technical Reports Series},
  number={206},
  year={1981},
  isbn={92-0-145081-8},
  url={https://www.iaea.org/publications/1307/statistical-treatment-of-environmental-isotope-data-in-precipitation},
  publisher={INTERNATIONAL ATOMIC ENERGY AGENCY},
  address={Vienna}
}