1. G. H. Robinson: Pre-print Paper 1, Alloys for the 80s Symposium, June 17–18, 1980, Ann Arbor, MI. (Sponsored by Climax Molybdenum of Michigan).
2. AISI Form AlS 7-A for December, 1978.
3. Staff Technical Feature:Iron Age, January 29, 1979, p. 51.
4. C. McKnight:Trans. American Society for Steel Treating, 1921, vol. 1 no. 6, p. 288.
5. R. J. Regan:Iron Age, September 17, 1979, p. 47.