@book{
international2009iaea,
title={Mediterranean Region Proficiency Test on the Determination of Radionuclides in Air Filters},
series={Analytical Quality in Nuclear Applications Series},
number={2},
year={2009},
url={http://www.dgdingfa.net/publications/8194/mediterranean-region-proficiency-test-on-the-determination-of-radionuclides-in-air-filters},
publisher={INTERNATIONAL ATOMIC ENERGY AGENCY},
address={Vienna}
}