1. Trahair N. S.(1993)Flexural‐Torsional Buckling of Structures. E & FN Spon an imprint of Chapman & Hall London.
2. Sur la force des colonnes;Euler L.;Mémoires Academic Royale des Sciences et Belle Lettres, Berlin, 13, partial translation by Van den Broek, J.A. (1947) American Journal of Physics,1759
3. XXXII. Elastic stability of long beams under transverse forces
4. Prandtl L.(1899)Kipperscheinungen. Thesis Munich.
5. Timoshenko S. P.(1953)Einige Stabilitaetsprobleme der Elastizitaetstheorie. In Collected Papers of Stephen P. Timoshenko pp.1–50 New York: McGraw‐Hill.