@book{
international2003iaea,
title={Extent of Environmental Contamination by Naturally Occurring Radioactive Material (NORM) and Technological Options for Mitigation},
series={Technical Reports Series},
number={419},
year={2003},
isbn={92-0-112503-8},
url={http://www.dgdingfa.net/publications/6789/extent-of-environmental-contamination-by-naturally-occurring-radioactive-material-norm-and-technological-options-for-mitigation},
publisher={INTERNATIONAL ATOMIC ENERGY AGENCY},
address={Vienna}
}