1. A. N. Gent, Engineering with Rubber, Hanser Publisher, Oxford University Press, Oxford, England, 1992.
2. T. Kataoka, P. B. Zetterlund, and B. Yamada, Rubber Chem. Technol., 76, 11 (2003).
3. G. Kwag, P. Kim, S. Han, and H. Choi, Polymer, 46, 11 (2005).
4. G. Kwag, P. Kim, S. Han, S. Lee, H. Choi, and S. Kim, J. Appl. Polym. Sci., 105, 11 (2007).
5. P. J. Flory, Principles of Polymer Chemistry, Cornell University Press, Ithaca, 1953.