1. G Petzow and H. L. Lukas:Z. Metallic, 1970, vol. 61, pp. 877–84.
2. J. W. Christian:The Theory of Transformations in Metals and Alloys, Pergamon Press, New York, 1965.
3. W. D. Kingery:Introduction to Ceramics, John Wiley and Sons, New York, 1960.
4. E. A. Guggenheim:Thermodynamics, 5th ed., p. 6, North-Holland Publishing Company, Amsterdam, 1967.
5. F. N. Rhines:Phase Diagrams in Metallurgy, p. 5, McGraw-Hill, New York, 1956.