@book{
      international2005iaea,
      title={Naturally Occurring Radioactive Materials (NORM IV) –
Proceedings of an International Conference held in Szczyrk, Poland,
17-21 May 2004},
      author={ },
      series={entity},
      number={1472 },
      year={2005},
      isbn={92-0-110305-0 },
      url={/publications/7384/naturally-occurring-radioactive-materials-norm-iv-proceedings-of-an-international-conference-held-in-szczyrk-poland-17-21-may-2004 },
      publisher={INTERNATIONAL ATOMIC ENERGY AGENCY },
      address={Vienna}
    }