@book{
  international1978iaea,
  title={Natural Fission Reactors — Les Reacteurs De Fission Naturelle},
  series={Panel Proceedings Series},
  year={1978},
  isbn={92-0-051078-7},
  url={https://www.iaea.org/publications/3285/natural-fission-reactors-les-reacteurs-de-fission-naturelle},
  publisher={INTERNATIONAL ATOMIC ENERGY AGENCY},
  address={Vienna}
}