1. Natural vibration of cooling towers;Bittnar,1980
2. Finite-element analysis of shells of revolution by minimization of the potential energy function;Brombolich,1969
3. Free vibrations of hyperboloidal shells of revolution;Carter;J. Eng. Mech. Div., Am. Soc. Civ. Eng.,1969
4. Aeroelasticity of Engineering Structures;Fischer,1977
5. Dynamic analysis of column-supported hyperboloidal shells;Gould;Earth Eng. Struct. Dyn.,1974