1. Kolsky, H. Stress Waves on Solids, Dover, New York, 1963.
2. Rinehart, J. S. Stress Transients in Solids, Hyperdynamics, Santa Fe, New Mexico, P.O. Box 392, 1975.
3. Ghatak, A. K., and Kothari, L. S. An Introduction to Lattice Dynamics, Addison-Wesley, Reading, Mass., 1972, p. 70.
4. Lee, E. H. In Shock Waves and the Mechanical Properties of Solids, eds. J. J. Burke and V. Weiss, Syracuse U. Press, Syracuse, 1971, p. 3.
5. Von Karman, T., and Duwez, P. J. Appl. Phys., 21 (1950), 987.