1. Biezeno, C. B.; trammel, R.: Technische Dynamik, Bd. I und II, 2. Aufl. Berlin, Göttingen, Heidelberg: Springer 1953.
2. Hübner, E.: Technische Schwingungslehre. Berlin, Göttingen, Heidelberg: Springer 1953.
3. Langhaar, H. L.: Energy Methods in Applied Mechanics, New York: Wiley 1962.
4. Matusz, J. M.; O’Donnel, W. J.; Erdlac, R. J.: Local Flexibility Coefficients for the Build-In Ends of Beams and Plates. Trans. ASME. J. Eng. for Industry (1969) 461–464.
5. Sutherland, J. G.; Goodman, L. E.: Vibration of Prismatic Bars including Rotory Inertia and Shear Corrections. Dep. of Civil Engineering, Univ. of Illinois, Urbana 1951.