@book{
  international2015iaea,
  title={Naturally Occurring Radioactive Material (NORM VII)},
  series={Proceedings Series},
  year={2015},
  isbn={978-92-0-104014-5},
  url={https://www.iaea.org/publications/10675/naturally-occurring-radioactive-material-norm-vii},
  publisher={INTERNATIONAL ATOMIC ENERGY AGENCY},
  address={Vienna}
}