1. M. Woydt, Materials-based concepts for an oil-free engine, in: I.M. Hutchings (Ed.), New Directions in Tribology, Mechanical Engineering Publications, London, 1997, pp. 459–468.
2. H. Wang, Y. Kimura, K. Okada, Sliding friction and wear of ceramics at elevated temperatures up to 1000°C, Proceedings of the Japan International Tribology Conference, Nagoya, 1990, pp. 1389–1394.
3. Friction and wear of silicon nitride at 150°C to 800°C;Tomizawa;ASLE Trans.,1985
4. The friction and wear of ceramic/ceramic and ceramic/metal combinations in sliding contact;Sliney;Lubric. Eng.,1994
5. Tribological behaviour of silicon nitride materials under unlubricated sliding between 22°C and 1000°C;Skopp;Wear,1995