1. E. Rabinowicz, Friction and Wear of Materials, Wiley, New York, 1965, pp. 5–10.
2. P. Blau, Friction Science and Technology, Marcel Dekker, New York, 1996, pp. 43–149.
3. I. Kragelsky, Friction and Wear, Pergamon Press, Oxford, 1977, pp. 7–14.
4. A. Seireg, Friction and Lubrication in Mechanical Design, Marcel Dekker, New York, 1998, pp. 310–336.
5. P. Ross, Taguchi Techniques for Quality Engineering — Loss Function, Orthogonal Experiments, Parameter and Tolerance Design, McGraw-Hill, New York, 1988, pp. 10–50.