1. H. Fujita, T. Arai, in: Proceedings of 4th International Congress on Heat Treatment of Materials, vol. II, International Federation for the Heat Treatment of Materials, Berlin, 1985, p. 1109.
2. T. Arai, H.M. Glaser, in: Proceedings of the Conference on Manufacturing Strategies, vol. 6, Precision Metalforming Association, USA, 1996, p. 549.
3. Tool materials and surface treatments