1. Structural consequences of small imperfections in elastic thin shells of revolution;Calladine;Int. J. Solids and Structures,1972
2. Meridionally im-perfect cooling towers;Croll;J. of the Engineering Mechanics Division , ASCE,1979
3. Linear versus non-linear analysis of imperfect spherical pressure vessels;Flores;Int. J. Pressure Vessels and Piping,1988
4. Finite element applications to the internal pressure loadings on spherical and other shells of revolu- tion, Chapter 9;Flores,1990
5. Stresses in Shells;Flugge,1963