@book{ international2010iaea, title={X Ray Fluorescence in the IAEA and its Member States Newsletter No. 18, December 2009}, series={XRF Newsletter}, year={2010}, url={http://www.dgdingfa.net/publications/8427/x-ray-fluorescence-in-the-iaea-and-its-member-states-newsletter-no-18-december-2009}, publisher={INTERNATIONAL ATOMIC ENERGY AGENCY}, address={Vienna} }