1. Past performance analysis of HPOTP bearings;Bhat,1982
2. Material and tribological considerations for HPOTP bearings;Wedeven,1988
3. Overview #55, wear-mechanism maps;Lim;Acta Metall.,1987
4. Quantitative wear maps as a visualization of wear mechanism transitions in ceramic materials;Hsu,1989
5. Friction and Wear Transitions of Materials;Blau,1989