@book{
      international2002iaea,
      title={Guidebook on Non-destructive Testing of Concrete Structures},
      author={ },
      series={entity},
      number={17 },
      year={2002},
      isbn={ },
      url={/publications/6347/guidebook-on-non-destructive-testing-of-concrete-structures },
      publisher={INTERNATIONAL ATOMIC ENERGY AGENCY },
      address={Vienna}
    }