@book{ international2007iaea, title={X Ray Fluorescence in the IAEA and its Member States Newsletter No. 13, August 2007}, series={XRF Newsletter}, year={2007}, url={http://www.dgdingfa.net/publications/7852/x-ray-fluorescence-in-the-iaea-and-its-member-states-newsletter-no-13-august-2007}, publisher={INTERNATIONAL ATOMIC ENERGY AGENCY}, address={Vienna} }