1. V. S. Postnikov, Internal Friction in Metals (Metallurgiya, Moscow, 1974) [in Russian].
2. B. N. J. Persson, Sliding Friction Physical Principles and Applications (Springer, New York, 2000).
3. John H. Jellett, A Treatise on the Theory of Friction (Hodges, Foster, Dublin; Macmillan, London, 1872).
4. V. A. Bufeev and K. V. Bufeev, External Friction and Its Patterns (Lenand, Moscow, 2014) [in Russian].
5. S. O. Gladkov, Pis’ma Zh. Tekh. Fiz. 28 (20), 50 (2002).