1. Sumitomo seamless tubes and pipe Creep Data Sheets, Sumitomo Metal Industries, (1993).
2. Sawaragi, Y., Teranishi, H., Makiura, H., Miura, M., and Kubota, M.: Sumitomo Metals, 37 (1985), 66.
3. Sawaragi, Y.: The Journal of Japan Welding Society, 58 (1989), 193.
4. Sawaragi, Y., Teranishi, Y., Iseda, A., Yoshikawa, K.: Sumitomo Metals, 42 (1990), 260.
5. Natori, A., Sawaragi, Y.: Sumitomo Metals, 45 (1993), 96.