1. M. Gervais, Tiltrotor Blade–vortex Interaction (BVI) Noise Control Through Non-unique Longitudinal Force Trim, Presented at the Southeast Lichten Award Regional Competition of the American Helicopter Society, College Park, MD, January 2001.
2. R.D. JanakiRam, H. Kham, Prediction and Validation of Helicopter Descent Flyover Noise, Presented at the American Helicopter Society 56th Annual Forum, Virginia Beach, VA, 2000.
3. S.R. Liu, J. Brieger, M. Peryea, Model tiltrotor flow field/turbulence ingestion noise experiment and prediction, in: Proceedings of the American Helicopter Society 54th Annual Forum, Washington, DC, 1998.
4. M.A. Mc Veigh, The V-22 Tilt-rotor large-scale rotor performance/wing download test and comparison with theory, in: Proceedings of the 11th European Rotorcraft Forum, London, UK, 1985.
5. M.J. Bhagwat, J.G. Leishman, Generalized viscous vortex model for application to free-vortex wake and aeroacoustics, in: Proceedings of the Annual Forum of the American Helicopter Society, Montreal, Canada, 2002.