1. Campbell, W.: The protection of steam turbine disk wheels from axial vibration part I. General Electric Rev. XXVII(6), 352–360 (1924)
2. Campbell, W.: The protection of steam turbine disk wheels from axial vibration part II—exposition of the nature and theory of vibration in turbine wheels. General Electric Rev. XXVII(7), 459–484 (1924)
3. Campbell, W.: The protection of steam turbine disk wheels from axial vibration part III—methods of design and testing for the protection of turbine bucket wheels from axial vibration. General Electric Rev. XXVII(8), 511–535 (1924)
4. Plaut, R.H., Wauer, J.: Parametric, external and combination resonances in coupled flexural and torsional oscillations of an unbalanced shaft. J. Sound Vib. 183, 889–897 (1995)
5. Suherman, S., Plaut, R.H.: Use of a flexible internal support to suppress vibrations of a rotating shaft passing through a critical speed. J. Vib. Control 3, 213–234 (1997)