@book{
      international1967iaea,
      title={Physical Aspects of Radioisotope Brachytherapy},
      author={ },
      series={entity},
      number={75 },
      year={1967},
      isbn={92-0-115167-5 },
      url={/publications/1173/physical-aspects-of-radioisotope-brachytherapy },
      publisher={INTERNATIONAL ATOMIC ENERGY AGENCY },
      address={Vienna}
    }