1. Graff Karl F. Wave motion in elastic solids[M]. New York: Dover Publications, 1991.
2. Eringen A C, Suhubi E S. Elastodynamics[M]. New York: Academic Press, 1975.
3. Samsonov A M, Dreiden G V, Porubov A V, Semenova I V. Longitudinal-strain soliton focusing in a narrowing nonlinearly elastic rod[J]. Phys Rev B, 1998, 57(10):5778–5787.
4. Porubov A V, Velarde M G. Strain kinks in an elastic rod embedded in a viscoelastic medium[J]. Wave Motion, 2002, 35(3):189–204.
5. Dai Huihui, Fan Xiaojun. Asymptotically approximate model equations for weakly nonlinear long wave in compressible elastic rods and their comparisons with other simplified model equations[J]. Mathematics and Mechanics of Solids, 2004, 9(1):61–79.