1. Adkins, J. E. and Rivlin, R. S. (1955). Phil. Trans. R. Soc. A 248, 201.
2. Baker, M. and Ericksen, J. L. (1954). J. Wash. Acad. Sci. 44, 33.
3. England, A. H. (1971) Complex variable methods in elasticity. Interscience, London.
4. Eshelby, J. D. (1951). Phil. Trans. R. Soc. A 244, 87.
5. Green, A. E. and Adkins, J. E. (1960). Large elastic deformations. Clarendon Press, Oxford.