1. Soedel W. Vibrations of shells and plates. 2nd ed. Marcel Dekker, Inc., 1993.
2. Vibration of shells (NASA SP-288);Leissa,1973
3. Donnell LH. A discussion of thin shell theory. Proceedings of the 5th International Congress of Applied Mechanics, 1938.
4. On the infinitesimal bending of surfaces of revolution;Lord Rayleigh;Proc. London Math. Soc.,1881
5. Natural frequencies of free finite-length circular cylinders;Gladwell;J. Sound Vib.,1975