1. Ultrasonic testing of materials;Krautkramer,1990
2. A method to identify reverberation echoes in multilayered homogeneous media;Pereira,1997
3. Diagnostic ultrasonics: principles and use of instruments;McDicken,1981
4. Ultrasonic bioinstrumentation;Christensen,1988
5. Ultrasonic nondestructive bond evaluation: an analysis of the problem;Chaskelis;Mater Eval,1980