1. Vibrations of Shells;Leissa,1973
2. Thin Elastic Shells;Kraus,1967
3. Vibrations of Elastic Structural Members;Magraab,1979
4. On the optimal design of a vibrating beam;Niordson;Q. Appl. Mech.,1965
5. Optimal design of a vibrating cantilever;Olhoff;Int. J. Solids Struct.,1970