1. 1) S. Takeda, et al.: Bisyuushi Sulary no Bunsan · Gyousyujyoutai no Hyouka, Science & Tecnology, (2016) 69, 150.
2. 2) J. Tubaki, O. Hayakawa: Genbadeyakudatu Ryuushikeisoku Gijyutu, The Nikkan Kogyo Shimbun, Ltd., (1994) 3.
3. 3) K. Fukuyama, et al.: Bisyuushi Sulary no Bunsan · Gyousyujyoutai no Hyouka, Science & Tecnology, (2016) 167.
4. 4) T. Takei, et al.: Funtai no Hyoumen Syori Fukugouka Gijyutu Syuutaisei Kiso kara Ouyou made, Techo Sysrems Co., Ltd., (2018) 355.
5. 5) S. Asahara, S. Hayano: Oil chemistry, 6 (1957) 404-410.