1. Kraus, H., Thin Elastic Shells, John Wiley and Sons, New York (1967).
2. Budiansky, B. and Roth, R. S., “Axisymmetric Dynamic Buckling of Clamped Shallow Spherical Shells”, Collected Papers on Instability of Shell Structures, NASA TN D-1510, 597 (1962).
3. Nowacki, W., Dynamics of Elastic Systems, trans. from 1962 Polish edition, Chapman and Hall Ltd., London, (1963).
4. Witmer, E. A., Pian, T. H. H., and Balmer, H. H., “Dynamic Deformation and Buckling of Spherical Shells under Blast and Impact Loading”, Collected Papers on Instability of Shell Structures, NASA TN D-1510, 607 (1962).
5. Babcok, C. D. and Sechler, E. E., “The Effect of Initial Imperfections on the Buckling Stress of Cylindrical Shells”, Ibid, Collected Papers on Instability of Shell Structures, NASA TN D-1510, 135.