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3. G. WALLWORK and J. CROLL, in “Reviews of High Temperature Materials” Vol. III (2), edited by J. B. NEWKIRK (Freund, London, 1976) p. 69.
4. R. F. DECKER and S. FLOREEN, “Precipitation from Iron-Based Alloys” (AIME, Cleveland, OH, 1963) p. 69.
5. C. S. BARRETT and T. B. MASSALSKI, “Structure of Metals” (McGraw-Hill, New York, NY, 1966) p. 266.