1. Ashby MF (2005) Materials selection in mechanical design, 3rd edn. Butterworth-Heinemann, Woburn
2. Reissner E (1950) On axisymmetric deformations of thin shells of revolution. Proceedings of Symposia in Applied Mathematics, American Mathematics Society, Providence 3:27–52
3. Reissner E (1946) Stress and small displacements of shallow spherical shells. J Math Phys 25:80–85
4. Ashwell DG (1960) On the large deflection of a spherical shell with an inward point load. Proceedings of I.U.T.A.M. Symposium on the Theory of Thin Elastic Shells, Delft, August 1959, pp 43–63
5. Ranjan G, Steele C (1997) Large deflection of deep spherical shells under concentrated load. Proceedings. AIAA J/ASME 18th Structures. Structural Dynamics and Materials Conference. San Diego, California. Technical paper no 77-411 269–278.