1. S.C. Schroeder, A. Abbate and J. Frankel, U.S. Army Report, to be published
2. I.A. Viktorov, Rayleigh and Lamb Waves, Plenum Press, 1967
3. S.C. Schroeder, Master Thesis, Rensselaer Polytechnic Institute, 1995
4. A. Abbate, M. Doxbeck, S.C. Schroeder and J. Frankel, Review of Progress in QNDE, Res. vol. 13, (Plenum, New York, 1994), pp. 1871–1878
5. W.P. Rogers, Res. Nondestr. Eval. Vol. 6, pp. 185–208, (1995)