1. Leissa, Arthur W. Vibration of plates. Vol. 160. Scientific and Technical Information Division, National Aeronautics and Space Administration, 1969.
2. Theory and Analysis of Plates;Szilard,1974
3. On the transverse vibration of an elliptic plate with clamped edge;Shibaoka;Journal of the Physical Society of Japan,1956
4. Vibration of a simply supported elliptical plate;Leissa;Journal of Sound and Vibration,1967
5. Free vibration of square plates with square opening;Paramasivam;Journal of Sound and Vibration,1973