@book{
  international2018iaea,
  title={Training Guidelines in Non-destructive Testing Techniques},
  series={Training Course Series},
  number={67},
  year={2018},
  url={https://www.iaea.org/publications/10915/training-guidelines-in-non-destructive-testing-techniques},
  publisher={INTERNATIONAL ATOMIC ENERGY AGENCY},
  address={Vienna}
}