- KAREN SPARA, SANFORD FLEETER, 26th Joint Propulsion Conference, 1990
- KAREN SPARA, SANFORD FLEETER, 25th Joint Propulsion Conference, 1989
- John K. Ramsey, “Influence of thickness and camber on the aeroelastic stability of supersonic throughflow fans”, Journal of Propulsion and Power, 7, no. 3, 1991, 404
- ODDVAR BENDIKSEN, 31st Structures, Structural Dynamics and Materials Conference, 1990
- Karen M. Spara, Sanford Fleeter, “Supersonic turbomachine rotor flutter control by aerodynamic detuning”, Journal of Propulsion and Power, 9, no. 4, 1993, 561
- K. M. Spara, S. Fleeter, “Aerodynamic detuning for control of supersonic rotor forced response”, Computational Mechanics, 12, no. 5, 1993, 315
- Xiaofeng Sun, Xiaoyu Wang, Fundamentals of Aeroacoustics with Applications to Aeropropulsion Systems, 2021, 135