1. Berns H. Theisen W. , Ferrous Materials: Steel and Cast Iron, p. 21, Springer, New York, NY, 2008.
2. Kubaschewski O. , Iron-Binary Phase Diagrams, p. 23, Springer-Verlag, Berlin, 1982.
3. Krauss G. , Principles of Heat Treatment of Steel, p. 1, American Society of Metals, Ohio, OH, 1980.
4. Porter D. A. Easterling K. E. Sherif M. Y. , Phase Transformations in Metals and Alloys (Third Edition), p. 314, CRC Press, Boca Raton, FL, 2009.
5. Hosford W. F. , Physical Metallurgy (Second Edition), p. 257, CRC Press, Boca Raton, FL, 2010.