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2. (2) Mote, C.D.Jr., Free Vibrations of Initially Stressed Circular Disks, ASME J. Engi. for Industry, Vol. 87 (1965), pp. 258-264.
3. Critical speeds for a flexible spinning disk
4. (4) Eversman, W., and Cloyd, G.B., The Coupled Transverse Vibrations of a Spinning Membrane Disk with a Central Hub, J. Sound Vibr., Vol. 24, No. 1 (1972), pp. 1-15.
5. (5) Phylactopoulos, A., and Adams, G.G., Transverse Vibration of a rectangularly Orthotropic Spinning Disk, Part 1: Formulation and Free Vibration, ASME J. Vibr. Acoust., Vol. 121 (1999), pp. 273-279.