@book{ international2012iaea, title={Training Guidelines in Non-destructive Testing Techniques: Leak Testing at Level 2}, series={Training Course Series}, number={52}, year={2012}, url={http://www.dgdingfa.net/publications/8696/training-guidelines-in-non-destructive-testing-techniques-leak-testing-at-level-2}, publisher={INTERNATIONAL ATOMIC ENERGY AGENCY}, address={Vienna} }
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