1. Vibration of plates;Leissa;NASA SP-160,1969
2. Theory of Plates and Shells;Timoshenko,1959
3. Vibrations of Shells and Plates;Soedel,1981
4. Free vibrations of a clamped elliptic plate;McNitt;Journal of Aerospace Science,1962
5. Vibrations of plates and shells of variable thickness;Soni;Ph.D. Thesis, University of Roorkee,1972