@book{
      international1967iaea,
      title={Tritium and Other Environmental Isotopes in the Hydrological Cycle},
      author={ },
      series={entity},
      number={73 },
      year={1967},
      isbn={92-0-145067-2 },
      url={/publications/1171/tritium-and-other-environmental-isotopes-in-the-hydrological-cycle },
      publisher={INTERNATIONAL ATOMIC ENERGY AGENCY },
      address={Vienna}
    }