1. Transverse vibrations of a rotating Rayleigh beam;Liu,1972
2. U.K. Patent Application 7702/78 February 1978.
3. The vibration characteristics of a beam with an axial force;Bishop;Journal of Sound and Vibration,1978
4. Vibration Problems in Engineering;Timoshenko,1974
5. The Mechanics of Vibration;Bishop,1960