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2. Time of flight inspection: Theory;Temple;Nucl Energy,1983
3. Diffraction of elastic waves by cracks: application to time-of-flight inspection;Ogilvy;Ultrasonics,1983
4. Ultrasonic reflection from smooth flat cracks: exact solution for the semi-infinite crack;Chapman;CEGB Report,1981
5. Elastic Waves in Solids with Applications to Nondestructive Testing of Pipelines;Harker,1988