@book{
  international2011iaea,
  title={Radiotracer Applications in Wastewater Treatment Plants},
  series={Training Course Series},
  number={49},
  year={2011},
  url={https://www.iaea.org/publications/8552/radiotracer-applications-in-wastewater-treatment-plants},
  publisher={INTERNATIONAL ATOMIC ENERGY AGENCY},
  address={Vienna}
}