@book{
      international2014iaea,
      title={International Physical Protection Advisory Service (IPPAS) Guidelines},
      author={ },
      series={entity},
      number={29 },
      year={2014},
      isbn={ },
      url={/publications/10772/international-physical-protection-advisory-service-ippas-guidelines },
      publisher={INTERNATIONAL ATOMIC ENERGY AGENCY },
      address={Vienna}
    }