1. “The contact between a locomotive driving wheel and the rail”;Andrews;WEAR,1958
2. “Application of the theory of Hertz to the calculation of the local stresses at the point of contact of a wheel and a rail”;Belajef;Vertnik Inzhenerov i Tekhnikov,1917
3. Proc. Symposium on Rolling Contact Phenomena;Bidwell,1962
4. Birmann, F., “Gleisbeanspruchung und Fahrzeuglauf bei Schnellfahrten,” (Track stresses and vehicle motion at high running speeds) Eisenbahntechnische Rundschau (ETR), 14, Nr.8, 335–351 (1965).