@book{
      international1963iaea,
      title={A Basic Toxicity Classification of Radionuclides},
      author={ },
      series={entity},
      number={15 },
      year={1963},
      isbn={92-0-125063-0 },
      url={/publications/1110/a-basic-toxicity-classification-of-radionuclides },
      publisher={INTERNATIONAL ATOMIC ENERGY AGENCY },
      address={Vienna}
    }