1. Whitley, G. S., Davis, C. C., and Dunbrook, R. F. (Eds.), Synthetic Rubber, John Wiley & Sons, New York, 1954.
2. Blackely, D. C., Synthetic Rubber: Their Chemistry and Technology, Chapter 2, Applied Science Publishers, London, 1983.
3. Worldwide Rubber Statistics 2004, p. 6, 11, International Inst. of Synthetic Rubber Producers, Inc., Houston, 2000.
4. Fox, T. G., Grateh, S., and Loshaek, S., Rheology—Theory and Applications, Vol. 1, Academic Press, New York, 1956.
5. Billmeyer, F. W., Jr., Textbook of Polymer Science, John Wiley & Sons, New York, 1984.