1. O. Kato, T. Kawanami: J. Jpn. Soc. Technol. Plast., 1987, vol. 28, pp. 264–71
2. O. Kato, T. Kawanami: J. Jpn. Soc. Technol. Plast., 1989, vol. 30, pp. 103–09
3. O. Kato, S. Uchida, T. Kimuma: Seitetsu Kenkyu, 1989, vol. 335, pp. 35–42
4. S. Uchida, H. Yamamoto, M. Akata, K. Watanabe, and O. Kato: What’s New in Roll Technologies of the World, Report of Research Committee on Rolling Roll, ISIJ, Tokyo, 1995, p. 183
5. S.H. Yu, Y.B. Chun, W.Q. Cao, M.H. Kim, S.W. Chae, S.I. Kwun, D.H. Shin, S.K. Hwang: Met. Mater. Int., 2005, vol. 11, pp. 101–11