@book{
      international1992iaea,
      title={Industrial Radiography (Manual for the Syllabi Contained in IAEA-TECDOC-628: Training Guidelines in Non-destructive Testing Techniques)},
      author={ },
      series={entity},
      number={3 },
      year={1992},
      isbn={ },
      url={/publications/345/industrial-radiography-manual-for-the-syllabi-contained-in-iaea-tecdoc-628-training-guidelines-in-non-destructive-testing-techniques },
      publisher={INTERNATIONAL ATOMIC ENERGY AGENCY },
      address={Vienna}
    }