1. W.T. Koiter, On the stability of elastic equilibrium, Ph.D. Thesis, University of Delft, 1945.
2. W.T. Koiter, Elastic stability and postbuckling behaviour, Proceedings, Symposium on Nonlinear Problems, University of Wisconsin Press, Madison, 1963, pp. 257–275.
3. B. Budiansky, J.W. Hutchinson, Dynamic buckling of imperfections sensitive structures, Proceedings of the 11th International Congress of Applied Mechanics, Munich, 1964, pp. 636–651.
4. Some recent advances in the investigation of shell buckling;Stein;AIAA J.,1968
5. The effect of initial imperfections on shell stability;Arbocz,1974