1. 1) R. Kawanaka, Y. Fujiwara, K. Tsuji, S. Ito and Y. Ihara: Suzuwisukaseichoupurosesunokaimeitotaisaku, (R&D Planning, 2006) pp. 3.
2. 2) R. Kawanaka, S. Nango, T. Hasegawa and M. Ohtani: J. Jpn. Assoc. for Crystal Growth Coop. 10 (1983) 148–156.
3. 3) B. B. He and K. L. Smith: Proc. Fifth Int. Conf. on Residual Stresses, (ICRS-5, Linkoping, Sweden, 1997) pp. 634–639.
4. 4) B. B. He, U. Preckwinkel and K. L. Smith: Adv. Xray Anal. 42 (1998) 429–438.
5. 5) B. B. He: The 20th ASM Heat Treating Society Conference Proceedings, (St. Louis, Missouri, 2000) pp. 408–417.