1. 1) K. Ichii, K. Fujimura and T. Takase: Netsu Shori 25 (1985) 191–196.
2. 2) Z. L. Zhang and T. Bell: Surf. Eng. 1 (1985) 131–136.
3. 3) K.-T. Rie and E. Broszeit: Surf. Coat. Technol. 76–77 (1995) 425–436.
4. 4) N. Yamauchi, N. Ueda, K. Demizu, A. Okamoto, T. Sone, K. Oku, T. Kouda, K. Ichii and K. Akamatsu: Proc. Int. Current Status Seminar on Thermochemical Surf. Eng. Osaka (2000) 247–261.
5. 5) T. Bell and Y. Sun: Proc. Int. Current Status Seminar on Thermochemical Surf. Eng. Osaka (2000) 275–288.