1. K.-H. Zum Gahr, Microstructure and Wear of Materials, Elsevier, New York, 1987, p. 378.
2. T. Sasada, Wear testing method and a law of wear, in: Proceedings of the Fifth Wear Symposium, J. JSLE, Osaka, Japan, Feb. (1973) 21–30.
3. Y. Endo, Surface Science, Youkendo Book Co., Japan, 1985, p. 67.
4. Metallurgical approach to friction and wear;Nakajima;J. JSLE,1985
5. Residual stress on the worn surface of flaky graphite cast iron;Takahashi;Imono,1985