1. Definition of the turbulence concept in relation to wind turbine design;Vermeulen;TNO Report 81-09061,1981
2. The wind load of wind turbines in clusters;Luken;TNO Report 89-160,1989
3. Full scale measurements in wind turbine arrays;Taylor,1993
4. Wake and wind farm modelling;Verheij,1993
5. Analytical correlations for turbulence characteristics in the wakes of wind turbines;. Crespo,1993