@book{
  internationaliaea,
  title={Nuclear Propulsion},
  series={Bibliographical Series - IAEA},
  number={3},
  year={},
  isbn={92-0-064061-3},
  url={https://www.iaea.org/publications/1519/nuclear-propulsion},
  publisher={INTERNATIONAL ATOMIC ENERGY AGENCY},
  address={Vienna}
}