@book{
  international1967iaea,
  title={Standardization of Radionuclides (Vienna, 10-14 Oct. 1966)},
  series={Proceedings Series},
  year={1967},
  isbn={92-0-030067-7},
  url={https://www.iaea.org/publications/2095/standardization-of-radionuclides-vienna-10-14-oct-1966},
  publisher={INTERNATIONAL ATOMIC ENERGY AGENCY},
  address={Vienna}
}