1. Ceramic steel?;Garvie;Nature,1975
2. An introduction to zirconia;Stevens;Magnesium Elektron,1986
3. Will anybody ever use metals and alloys again?;Cottrell,1992
4. Crack propagation in ceramic materials under cyclic loading conditions;Evans;Metall. Trans.,1974
5. Non-metallic crystals undergoing cumulative work-hardening and wear due to softer lubricated metal sliding surfaces;Brookes,1987