1. Colgan T.A. and Bell J.C. A predictive model for wear in automotive valve train systems. SAE 892145
2. Kinematics and wear patterns of cam and finger follower automotive valve gear;Dyson;Tribol. Int.,1980
3. The flash temperature concept;Blok,1960
4. Application of the flash temperature concept to cam and tappet wear problems;Dyson,1960
5. Elastohydrodynamics;Dowson,1968