1. Response of stall regulated wind turbines?stall induced vibrations. Final report of the JOUR-0076, JOULE I project. Report Risø-R-691(EN), Risø National Laboratory, 1993.
2. Dynamic stall and three-dimensional effects. Final report of the JOU2-CT93-0345, JOULE II project. Report FFA TN 1995-31, The Aeronautical Research Institute of Sweden, 1996.
3. Dynamic stall simulated as a time lag of separation. Proceedings of the 4th IEA Symposium on Aerodynamics of Wind Turbines, Rome, 1991.
4. Dynamic stall of a wind turbine blade section. Proceedings of the 8th IEA Joint Action Symposium on Aerodynamics of Wind Turbines, Lyngby, 1994; 303-310.