1. Appendix to the report of the commissioners appointed to inquire into the application of iron to railway structures;Willis,1849
2. Discussion of a differential equation related to the breaking of railway bridges;Stokes;Trans Cambridge Philos Soc,1867
3. Über die erzwungenen Schwingungen von gleichförmigen elastischen Stäben;Kryloff;Math Ann,1905
4. Erzwungene Schwingungen Prismatischer Stäbe (Forced vibrations of prismatic beams);Timoshenko;Zeitschrift für Mathematik und Physik,1911
5. Dynamic Influences of Smoothly Runing Loads on Symply Supported Girdes;Hillerborg,1951