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2. A. Kelly andR. B. Nicholson,Prog. Mat. Sci. 10 (1963) 149.
3. R. B. Nicholson, ?Phase Transformations? (Amer. Soc. Metals, Cleveland, Ohio, 1970) p. 269.
4. E. Hornbogen, ?Precipitation from Iron-Base Alloys? (Gordon and Breach, New York, 1965) p. 1.
5. Idem, Z. Metallk. 56 (1965) 133.