1. The whirling of shafts having sections with unequal principal bending moduli;Dick;Philosophical Magazine,1948
2. Second order vibration of flexible shafts;Bishop;Philosophical Transactions,1965
3. Second order vibration of flexible shafts;Bishop;Philosophical Transactions,1965
4. Some Problems of Rotor Dynamics;Tondl,1965
5. On the flexural rigidity of a beam weakened by transverse saw cuts, I, II;Koiter,1956