@book{
  international2006iaea,
  title={X Ray Fluorescence in the IAEA and its Member States
Newsletter No. 11, July 2006},
  series={XRF Newsletter},
  year={2006},
  url={https://www.iaea.org/publications/7630/x-ray-fluorescence-in-the-iaea-and-its-member-states-newsletter-no-11-july-2006},
  publisher={INTERNATIONAL ATOMIC ENERGY AGENCY},
  address={Vienna}
}