1. Zeitschrift fur angewandte Mathematik and Physik;Beck;Die Knicklast des einseitig eingespannten tangential gedrücten Stabes,1952
2. Applied Mechanics Reviews;Herrman;Stability of equilibrium of elastic systems subjected to non-conservative forces,1967
3. Journal of Sound and Vibration;Simkins;Stability of Beck's column considering support characteristics,1975
4. A. Kounadis On the stability of a cantilever with attached masses, subjected to a non-conservative compressive force (to be published).