1. The flexural vibrations of a square plate with a central hole;KUMAI;Proceeding of second Japanese national congress of applied mechanics,1952
2. Vibration of rectangular plates with circular holes;TAKAHASI;Japanese society of mechanical engineers Bulletin,1958
3. Vibrations of plates of irregular shapes and plates with holes;JOGA RAO;Journal of the Aeronautical Society of India,1961
4. Free vibration of square plates with square openings;PARAMASIVAM;Journal of Sound and Vibration,1973
5. Elasto-dynamic analysis of rectangular plates with circular holes;HEGARTY;International Journal of Solids and Structures,1975