1. Bergman, R. M. andShahbender, R. A., “Effect of Statically Applied Stresses on the Velocity of Propagation of Ultrasonic Waves,”JAP 29, 1736–1738 (1958).
2. Shahbender, R. A., “Nondestructive Measurement of Tensile and Compressive Stresses,”IRE Wesco. Convention Record,3 (6),13–18 (1959).
3. Benson, R. W. andRaelson, V. J., “Acoustoelasticity,”Prod. Engr.,30 (29),56–59 (1959).
4. Elion, H. A., “Recent Advances in New Areas of Nondestructive Testing,”Nondestr. Test.,18,180–182 (1960).
5. Papadakis, E. P., “Ultrasonic Phase Velocity by the Pulse-Echo-Overlap Method Incorporating Diffraction Phase Corrections,”J. Acoust. Soc. Amer.,42,1045–1051 (1967).