1. The vibration of rectangular plates;Warburton,1954
2. The frequency of flexural vibration of rectangular orthotropic plates with clamped or supported edges;Hearmon;Journal of Applied Mechanics,1959
3. The buckling and frequency of flexural vibration of rectangular isotropic and orthotropic plates using Rayleigh's method;Dickinson;Journal of Sound and Vibration,1978
4. Formulas for integrals containing characteristic functions of a vibrating beam;Felgar;Bureau of Engineering Research, The University of Texas, Circular No. 14,1950
5. Formulas for Natural Frequency and Mode Shape;Blevins,1979