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