1. S. W. Allison and I. M. Ward, Brit. J. Appl. Phys. 18, 1151 (1967).
2. I. M. Ward, The Mechanical Properties of Solid Polymers (Wiley, New York, 1984).
3. J. Roesler, H. Harders, and M. Baeker, Mechanical Behavior of Engineering Materials (Springer, New York, 2007).
4. T. A. Osswald and G. Menge, Materials Science of Polymers for Engineers (Hanser Verlag, Munchen, 2003).
5. A. A. Turetskii, A. O. Baranov, S. N. Chvalun, N. A. Erina, Yu. A. Zubov, E. V. Prut, N. F. Bakeev, N. S. Enikolopyan, Vysokomol. Soedin., Ser. A 28(10), 2141 (1986).