@book{
  international1975iaea,
  title={IAEA Safeguards Technical Manual Part E: Methods and Techniques},
  series={TECDOC Series},
  number={174},
  year={1975},
  url={https://www.iaea.org/publications/420/iaea-safeguards-technical-manual-part-e-methods-and-techniques},
  publisher={INTERNATIONAL ATOMIC ENERGY AGENCY},
  address={Vienna}
}