1. Miyagawa, K. and Azushima, A., “Measurement of Plastic Deformation by Means of a Laser Beam,” 9th World Conf. on Nondestructive Testing, Australia, 1–7 (1979).
2. Azushima, A. and Miyagawa, M., “Measurement of Plastic Zone Around a Fatigue Crack of a Stainless Steel Structure Member with a Laser Beam,” Proc. 1982 Joint Conf. on Exp. Mech., Hawaii, 709–713 (1982).
3. Xu, B.Q. andWu, X.P., “Measuring Plastic Deformation on Metal Surface and Determining the Elasto-plastic Boundary from the Change of Laser Produced Diffraction Patterns,”Acta Mechanica Sinica,16 (2),175–184 (1984).
4. Chiang, F.P., Qian, H.H. and Don, H.S., “Determination of Plastic Strain Using Laser Speckles,” 2nd Int. Symp. on Plasticity & Its Current Applications, Japan (1989).
5. Kato, A., Dai, Y.Z. and Chiang, F.P., “Damage Monitoring of Aluminum by Laser Speckle,” Proc. 9th Int. Conf. on Exp. Mech., Denmark, 1940–1948 (1990).