@book{
  international1965iaea,
  title={Assessment of Radioactivity in Man (Heidelberg, 11-15 May 1964)},
  series={Proceedings Series},
  year={1965},
  isbn={92-0-020364-7},
  url={https://www.iaea.org/publications/2029/assessment-of-radioactivity-in-man-heidelberg-11-15-may-1964},
  publisher={INTERNATIONAL ATOMIC ENERGY AGENCY},
  address={Vienna}
}