- Second series of wind-tunnel tests on a model of two-bladed horizontal-axis wind turbine; influence of turbulence on the turbine performance and results of a aflow survey behind the rotor
- Wind-tunnel tests on a model of a two-bladed horizontal-axis wind turbine and evaluation of an aerodynamic performance calculation method
- The aerodynamic performance of a horizontal-axis wind turbine in a stationary parallel flow: Discussion of existing theories, of a parameter study and of consequences for a wind tunnel model design
- Manoeuvreren op beperkt vaarwater. Het opstellen van een mathematisch model voor het varen over een plotseling veranderde waterdiepte
- Contribution of NLR to the first phase of the National Research Progam on wind energy. Part I: Rigid rotor computer program and preparatory work for a test-bed
- Evaluation of a potential theoretical model of the wake behind a wing via comparison of measurements and calculations
- The deformation of a vortex sheet behind a swept back wing; comparison of measurements and calculations
- Windtunnel investigation of the development of the vortex wake behind a sweptback wing: part I: text and tables