@book{
  international2002iaea,
  title={Guidebook on Non-destructive Testing of Concrete Structures},
  series={Training Course Series},
  number={17},
  year={2002},
  url={https://www.iaea.org/publications/6347/guidebook-on-non-destructive-testing-of-concrete-structures},
  publisher={INTERNATIONAL ATOMIC ENERGY AGENCY},
  address={Vienna}
}