1. Biot, M A (1965) Mechanics of incremental deformations. J. Wiley and Sons, New York.
2. Bigoni, D and Capuani, D (2002) J. Mech. Phys. Solids 50, 471–500.
3. Hill, R and Hutchinson, J W (1975) J. Mech. Phys. Solids 23, 239–264.
4. Bigoni, D and Gei, M (1999) On bifurcation of a layered, orthotropic, elastic medium. XXVIII AIAS National Congress, Vicenza, Italy, 8–11 September 1999.
5. van Hove, L (1947) Proc. Sect. Sci. K. Akad. van Wetenschappen, Amsterdam 50, 18–23.