1. Beam vibrations—a review;Wagner;Shock and Vibration Digest,1977
2. Vibration frequencies and mode-shapes for generally restrained Bernoulli-Euler beams;Rao,1987
3. Vibration Analysis Tables;Bishop,1956
4. Free Vibration Analysis of Beams and Shafts;Gorman,1975
5. Formulas for Natural Frequency and Mode Shape;Blevins,1979