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2. Georgiev, M., Treshchinostoikost’ zheleznodorozhnykh rel’sov (Crack Resistance of Rails), Kemerovo: Master-Flag, 2006.
3. Standard Documents of the Russian Ministry of Railroad Transportation Regarding the Classification of Rail Defects (NTD/TsP-1-93), the Catalog of Rail Defects (NTD/TsP-2-93), and Characteristics of Defective and Acutely Defective Rails (NTD/TsP-3-93), Moscow: Transport, 1993.
4. Baulin, I.S. and Shur, E.A., Contact-Fatigue Damage to the Rail Head, TsNII MPS. Trudy (Proceedings of the Central Research Institute of the Ministry of Rail-road Transportation), 1966, issue 314, pp. 90–102.
5. Matthews, F.L. and Rawlings, R.D., Composite Materials: Engineering and Science, London: Chapman-Hall, 1994.