@book{
      international2013iaea,
      title={Training Guidelines in Non-Destructive Testing Techniques: Manual for Visual Testing at Level 2},
      author={ },
      series={entity},
      number={54 },
      year={2013},
      isbn={ },
      url={/publications/8614/training-guidelines-in-non-destructive-testing-techniques-manual-for-visual-testing-at-level-2 },
      publisher={INTERNATIONAL ATOMIC ENERGY AGENCY },
      address={Vienna}
    }