1. Glazunov, D.V., The methodology of study of tribological characteristics of the components of the lubrication unit, working in tribocontact “wheel–rail,” Trenie Smazka Mash. Mekh., 2013, no. 3, pp. 31–37.
2. Maiba, I.A. and Glazunov, D.V., The theoretical basis of the mechanism of mixed (semifluid) lubricant in the contact “solid enveloped lubricant rod–wheel–rail,” Inzh. Vestn. Dona, 2012, vol. 19, no. 1, pp. 223–232.
3. Bitumen. https://en.wikipedia.org/wiki/Asphalt.
4. Brawn, E.D., Bushe, N.A., Buya-novskii, I.A., et al., Osnovy tribologii (trenie, iznos, smazka) (Basic Tribology: Friction, Fatigue, and Lubrication), Chichinadze, A.V., Ed., Moscow: Nauka i Tekhnika, 1995.