1. D. Dowson, “History of Tribology”, Longmans, London, 1979.
2. D. Summers-Smith, “An Introduction to Tribology in Industry”, The Machinery Publishing Company, London, 1969.
3. H. Czichos, “Tribology: A Systems Approach to the Science and Technology of Friction, Lubrication, and Wear”, Elsevier, Amsterdam, 1978.
4. D. F. Moore, “Principles and Applications of Tribology”, Pergamon Press, 1975.
5. D. Tabor, private communication.