@book{
  internationaliaea,
  title={Atomic Energy Review, Vol. 6 (1968), No. 4},
  series={Atomic Energy Review},
  year={},
  url={https://www.iaea.org/publications/1936/atomic-energy-review-vol-6-1968-no-4},
  publisher={INTERNATIONAL ATOMIC ENERGY AGENCY},
  address={Vienna}
}