1. Fretting wear of carbon-ion-implanted physical-vapour-deposited TiN coatings
2. in Plasma Surface Engineering, Vol. 1, ed. by pp. 139-146, DGM, Oberursel (1989).
3. in Plasma Surface Engineering, Vol. 2, ed. by pp. 845-852, DGM, Oberursel (1989).
4. and in Plasma Surface Engineering, Vol. 2, ed. by pp. 817-836, DGM, Oberursel (1989).