1. Dowson, D., Harrison, P., Taylor CM.: The lubrication of automotive cams and followers. In: Proc. of 12th Leeds–Lyon Symposium, pp. 305–322. Butterworths, Oxford (1986).
2. Bair, S., Griffioen, JA., Winer WO.: The tribological behavior of an automotive cam and flat lifter system. Trans. ASME J Trib. 108, 478–486 (1986).
3. Soejima, M., Ejima, Y., Wakuri, Y., et al.: Improvement of lubrication for cam and follower. Trib. Trans. 42(4), 755–762 (1999).
4. Gangopadhyay, A., Soltis, E., Johnson, MD.: Valvetrain friction and wear: Influence of surface engineering and lubricants. Proc. IMechE, Part J 218, 147–156 (2004).
5. Kano, M.: Super low friction of DLC applied to engine cam follower lubricated with estercontaining oil. Trib. Int. 39, 1682–1685 (2006).