1. 1) 渡辺訓江;近藤肇 日本ゴム協会誌 2017,90,210.
2. 2) 奥村暁;林泰行;加藤信子 日本ゴム協会誌 2009,82,424.
3. 3) Mann National Geographic Magazine January, 2016.
4. 4) Hurley, P.E. Journal of Macromolecular Science: Part A- Chemistry 1981, 15, 1279
5. 5) Ciesielski, A. An Introduction to Rubber Technology, Smithers Rapra Publishing, 1999.