1. Basshuysen R, Schaefer F (2002) (eds) Handbuch Verbrennungsmotor, 2nd edn. Vieweg, Braunschweig
2. Krim J (1996) Sci Am 275:74
3. Bhushan B (1999) Handbook of micro/nanotribology, 2nd edn. CRC Press, Boca Raton, Florida
4. Bhushan B (2001) Fundamentals of tribology and bridging the gap between the macro-and micro/nanoscales. Kluwer, Dordrecht, NL
5. Tabor D, Bowden FP (1986) The friction and lubrication of solids. Clarendon Press, London