1. Brydson JA (1978) Rubber chemistry. Applied Science, London, UK
2. Morton M (1978) Rubber technology. Van Nostrand Reinhold, New York, USA
3. W. Kaminsky, R. Steiger, Polyedra (1973), 7 (22), 2375.
4. Plastics Technology Handbook, CRC Press, Boca Raton, USA, 2006.
5. H. D. Colvin, J. Senyek Jr, US Pat. 6512053, 2003.