1. J. L. Rose, Ultrasonic waves in solid media, Cambridge University Press (1999).
2. J. Krautkrämer and H. Krautkrämer, Ultrasonic testing of materials, Springer-Verlag (1983).
3. J. A. Ogilvy, Diffraction of elastic waves by cracks: application to time-of-flight inspection, Ultrasonics, 7 (1983) 259–269.
4. M. G. Silk, The use of diffraction-based time-of-flight measurements to locate and size defects, Brit. J. NDT, 26 (1984) 208–13.
5. J. P. Charlesworth and J. A. G. Temple, Engineering applications of ultrasonic time of flight diffraction, 2nd Ed., Research Studies Press Ltd. (2001).