1. Gas turbine shaft dynamics;Hamburg;Society of Automotive Engineers Quarterly Transactions,1962
2. The transverse vibration of beams and the whirling of shafts supported at intermediate points;Darnley;Philosophical Magazine,1921
3. Eigenvalue analysis of structures by folding force;Hirai,1970
4. Vibration of a structure with interior hinges;Mahalingham,1977
5. The Mechanics of Vibration;Bishop,1960