@book{
      international1995iaea,
      title={Experience in the Application of Exemption Principles},
      author={ },
      series={entity},
      number={807 },
      year={1995},
      isbn={ },
      url={/publications/5453/experience-in-the-application-of-exemption-principles },
      publisher={INTERNATIONAL ATOMIC ENERGY AGENCY },
      address={Vienna}
    }