@book{
      internationaliaea,
      title={X Ray Fluorescence in the IAEA and its Member States
Newsletter No. 23,  September 2012},
      author={ },
      series={entity},
      number={ },
      year={},
      isbn={ },
      url={/publications/10352/x-ray-fluorescence-in-the-iaea-and-its-member-states-newsletter-no-23-september-2012 },
      publisher={INTERNATIONAL ATOMIC ENERGY AGENCY },
      address={Vienna}
    }