1. On the analysis of experimental observations in problems of elastic stability;Southwell;Proc R Soc, (London), Ser A,1932
2. Eine einfache Vorrichtung zur Veranschaulichung des Knickungsvorganges;Sommerfeld;Z Ver Dtsch Ing (ZVDI),1905
3. Determination of buckling loads by frequency measurements [Thesis];Chu,1949
4. Lateral vibration as related to structural stability;Lurie;J Appl Mech, ASME,1952
5. Meier JH. Discussion of the paper entitled “The Determination of the Critical Load of a Column or Stiffened Panel in Compression by the Vibration Method”. In: Proceedings of the society for experimental stress analysis, vol. 11; 1953. p. 233–4.