1. Tribology—a system approach to the science and technology of friction, lubrication and wear;Czichos,1978
2. Tribology in metalworking: friction, lubrication and wear;Schey,1983
3. Bay N. Friction and adhesion in metal forming and cold welding. D.Sc. thesis (MM.85.43), Institute of Manufacturing Engineering, Technical University of Denmark, 1985.
4. Recent progress in metal forming tribology;Kalpakjian;Ann. CIRP,1985
5. Tribology in metal rolling: keynote paper;Lenard;Ann. CIRP,2000