@book{
  international1987iaea,
  title={Radiotherapy in Developing Countries (Vienna, 1-5 Sept. 1986)},
  series={Proceedings Series},
  year={1987},
  isbn={92-0-010087-2},
  url={https://www.iaea.org/publications/3574/radiotherapy-in-developing-countries-vienna-1-5-sept-1986},
  publisher={INTERNATIONAL ATOMIC ENERGY AGENCY},
  address={Vienna}
}