@book{
      international2009iaea,
      title={Worldwide Open Proficiency Test on the Determination of Radionuclides in Spinach, Soil and Water},
      author={ },
      series={entity},
      number={8 },
      year={2009},
      isbn={ },
      url={/publications/8051/worldwide-open-proficiency-test-on-the-determination-of-radionuclides-in-spinach-soil-and-water },
      publisher={INTERNATIONAL ATOMIC ENERGY AGENCY },
      address={Vienna}
    }