1. Sychev AYu. Dynamics of uncoupling of freight cars for unplanned repairs due to cracks, fractures, overstatement / understatement of friction wedges: presentation of the Deputy Director of the Central Control Bureau of Russian Railways. [place unknown]: The Council of Chief Designers of OPZHT Association; 2023.

2. Gardner JF, Cusumano JP. Dynamic models of friction wedge dampers. Proceedings of the 1997 IEEE/ASME Joint Rail Conference; 1997 March 18-20; Boston, MA: American Society of Mechanical Engineering; 1997. p.65-69.

3. Wu Q, Sun Y, Spiryagin M, Cole C. Methodology to optimize wedge suspensions of three-piece bogies of railway vehicles. Journal of Vibration and Control. 2018;24(3):565-581. doihttps://doi.org/10.1177/1077546316645698

4. Orlova A, Boronenko Y. The influence of the condition of three-piece freight bogies on wheel flange wear: simulation and operation monitoring. Vehicle System Dynamics. 2010;48: 37-53.

5. Sun YQ, Cole C. The effect of wedge friction conditions on the dynamic wheel-rail contact force on short wave length defects. Proceedings of Joint Rail Conference; 2006 April 4-6; Atlanta, GA: American Society of Mechanical Engineering; 2010. p. 37-43.

6. Fedin VM. Volume-surface hardening of rolling stock parts and the upper structure of the track. Moscow: Intext; 2002.

7. Velikanov AB. Cast-iron friction wedges of a freight car truck. Vestnik VNIIZhT. 1999;1:25-31.

8. Velikanov AB, Borsch BV. Friction wedges made of high-strength cast iron. Vestnik VNIIZhT. 2007;2:18-22.

9. Velikanov AV, Borsch BV. Grey cast iron wedge for friction vibration dampener of freight cars. Collection of Scientific Papers of VNIIZHT, 2007: Problems of Developing Railway Transport in a Market Economy; Moscow: Intext; 2007.

10. Dobrynin LK, editor. Improving the reliability of the locomotive crew. Moscow: Transport; 1984.