1. N.P. Petrov, Impact of travelling speed on the stresses in rails. Proceedings of RTS, volume ІІ, (St.-Petersburg, 1903), 89 p. (in Russian).
2. N.P. Petrov, “The evolution and modern state of the issue about stresses from vertical forces in rails”, Railroading, 5, pp. 43 – 51, (1904). (In Russian).
3. S.P. Timoshenko, About the rail strength. Stability and oscillations of structural elements (Moscow, Transport, 1975), pp. 322–358. (In Russian).
4. M.F. Verigo, “Vertical forces on the rail track from rolling stock”, Papers of VNIIZht, 97, pp. 25–288, (1955). (In Russian).
5. M.F. Verigo, Interaction of track and rolling stock, (Moscow, Transport, 1956), 280 p. (In Russian).