1. K. Kendall, D. Tabor, Proc. Roy. Soc. Lond. A323, 321 (1971).
2. N.F. Haines, ‘The theory of sound transmission and reflection at contacting surface,’ Berkeley Nuclear Laboratories Report RD/B/N4744 (1980).
3. T. Arakawa, Materials Evaluation 41, 714 (1983).
4. R.B. Thompson, J.C. Fiedler, in Review of Progress in QNDE, Vol. 3, 207 (1984).
5. J.M. Baik, R.B. Thompson, J. Nondest. Eval. 4, 177 (1984).