1. Ultrasonic testing of materials;Krautkrämer,1990
2. Birks AS, Green Jr. RE, McIntire P, editors. Nondestructive Testing Handbook, 2nd ed., Vol. 7, Ultrasonic Testing. ASNT, 1991.
3. Ihn JB, Chang F-K. Ultrasonic Nondestructive Evaluation Engineering and Biological Material Characterization, in: Kundu T, editor. New York: CRC Press; 2004, Chapter 9.
4. Applications of brazed-type ultrasonic probes for high and low temperatures uses;Arakawa;Nondestr Test Eval,1992
5. High temperature ultrasonic transducers;Mrasek;NDTnet,1996