1. R. Reed, J. Metals
41 (3) (1989) 16.
2. H. A. Wriedt, N. A. Gokcen and R. H. Nafziger, Bull. Alloy Phase Diagr.
8 (1987) 355.
3. Paper E;R. Tanaka,1972
4. J. Menzel, G. Stein and P. Dahlmann, in “Conference Proceedings, High Nitrogen Steels '88”, Lille, France, 18–20 May, 1988, edited by J. Foct and A. Hendry (Institute of Metals, 1989) p. 147.
5. G. Stein, J. Menzel and H. Dorr, ibid. p. 32.