@book{ international2005iaea, title={In Situ Applications of X Ray Fluorescence Techniques}, series={TECDOC Series}, number={1456}, year={2005}, isbn={92-0-107105-1}, url={https://www.iaea.org/publications/7212/in-situ-applications-of-x-ray-fluorescence-techniques}, publisher={INTERNATIONAL ATOMIC ENERGY AGENCY}, address={Vienna} }