1. J. A. Kitchener, J. O’M. Bochris, M. Gleiser, and J. W. Evans: Acta Metallurgica (1953) 1, p. 93.
2. J. D. Fast: Philips Technical Review (1950) 11, p. 303.
3. W. P. Rees and B. E. Hopkins: Journal Iron and Steel Inst. (1952) 172, p. 403.
4. F. Tritton and D. Hanson: Journal Iron and Steel Inst. (1924) 110, p. 90.
5. E. D. Eastman and R. M. Evans: Journal ACS (1924) 46, p. 888.