1. Andrews, G., & Ball, J. 1982: Asymptotic behavior and change of phase in one dimensional nonlinear viscoelasticity. J. Diff. Eqns. 44, 306–341.
2. Ball, J. M. 1976: Constitutive equations and existence theorems in nonlinear elastostatics, Heriot-Watt Symp., I, (R. Knops, ed.) Pitman.
3. Ball, J. M. 1980: Strict convexity, strong ellipticity, and regularity in the calculus of variations, Math. Proc. Camb. Phil. Soc. 87, 501–513.
4. Ball, J. M. 1984: Singular minimizers and their significance in elasticity, Phase Transformations and Material Instabilities in Solids, (Gurtin, M., ed.) Academic Press, 1–20.
5. Ball, J. M.: to appear.