@book{
      international1960iaea,
      title={Radioisotope Teletherapy Equipment},
      author={ },
      series={entity},
      number={ },
      year={1960},
      isbn={92-0-112059-1 },
      url={/publications/1475/radioisotope-teletherapy-equipment },
      publisher={INTERNATIONAL ATOMIC ENERGY AGENCY },
      address={Vienna}
    }