1. Christian, J. W., The Theory of Transformation in Metals and Alloys (2nd ed., Vol 1). Pergamon Press, Elmsford, New York, 1975.
2. Rühle, M., Claussen, N. and Heuer, A. H., Microstructural Studies on of Y2O3-containing Tetragonal Zirconia Polycrystals. In Science and Technology of Zirconia II, Advances in Ceramics, Vol 12, ed. N. Classen, M. Rühler and A. H. Heuer. The American Ceramic Society, Columbus, Ohio, 352–370.
3. Rühle, M. and Heuer, A. H., Phase Transformation in ZrO2-Containing Ceramics II: The Martensitic Reaction in t-ZrO2. ibid 2, 14–32.
4. Significance of internal stresses for martensitic transformation in yttria-stabilized tetragonal zirconia polycrystals during degradation;Schmauder;J. Am. Ceram. Soc.,1986
5. Surface Stabilization of Y-TZP;Schubert;Br. Ceram. Proc.,1984