@book{
  internationaliaea,
  title={The Use of Plane Parallel Ionization Chambers in High Energy Electron and Photon Beams},
  series={Technical Reports Series},
  number={381},
  year={},
  isbn={92-0-104896-3},
  url={https://www.iaea.org/publications/5715/the-use-of-plane-parallel-ionization-chambers-in-high-energy-electron-and-photon-beams},
  publisher={INTERNATIONAL ATOMIC ENERGY AGENCY},
  address={Vienna}
}