1. L.Bateman, The Chemistry and Physics of Rubber-like Substances, Maclaren & Sons, London, 1963
2. A. D.Robert, Natural Rubber Science and Technology, Oxford University Press, Oxford, 1988
3. J. E.Mark and B.Erman, The Science and Technology of Rubber, Elsevier Academic Press, Oxford, 3rd edn, 2005
4. S.Kohjiya, Natural Rubber: From the Odyssey of Hevea Tree to the Age of Transportation, Smithers Rapra Publications, Shrewsbury, 2015
5. Y.Ikeda, A.Tohsan and S.Kohjiya, in Sustainable Development Processes, Challenges and Prospects, ed. D. Reyes, Nova Science Publishers, Inc, New York, 2015, ch. 3, pp. 65–85