Prager, M. Nondestructive Evaluation of Utilities and Pipelines. SPIE Digital Library.
Chicago Style (17th ed.) ZitazioaPrager, Martin. Nondestructive Evaluation of Utilities and Pipelines. SPIE Digital Library.
MLA (9th ed.) ZitazioaPrager, Martin. Nondestructive Evaluation of Utilities and Pipelines. SPIE Digital Library.
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