@book{
  international2014iaea,
  title={International Physical Protection Advisory Service (IPPAS) Guidelines},
  series={Services Series},
  number={29},
  year={2014},
  url={https://www.iaea.org/publications/10772/international-physical-protection-advisory-service-ippas-guidelines},
  publisher={INTERNATIONAL ATOMIC ENERGY AGENCY},
  address={Vienna}
}