@book{ international2017iaea, title={Proficiency Testing by Interlaboratory Comparison Performed in 2010鈥?015 for Neutron Activation Analysis and Other Analytical Techniques}, series={TECDOC Series}, number={1831}, year={2017}, isbn={978-92-0-108617-4}, url={http://www.dgdingfa.net/publications/12290/proficiency-testing-by-interlaboratory-comparison-performed-in-2010-2015-for-neutron-activation-analysis-and-other-analytical-techniques}, publisher={INTERNATIONAL ATOMIC ENERGY AGENCY}, address={Vienna} }