1. Aerodynamics of Horizontal-Axis Wind Turbines
2. Wind tunnel testing of NREL's unsteady aerodynamics experiment. AIAA Paper 2001-0035, 2001.
3. NREL unsteady aerodynamics experiment in the NASA-Ames wind tunnel: a comparison of predictions to measurements. NREL/TP-500-29494, 2001.
4. The nebulous art of using wind tunnel airfoil data and blade-element momentum theory for predicting rotor performance. AIAA Paper 2002-0040, 2002.
5. An examination of key aerodynamic modelling issues raised by the NREL blind comparison. AIAA Paper 2002-0038, 2002.