WASET
    Marco Raciti Castelli and  Ernesto Benini,  Comparison between Lift and Drag-Driven VAWT Concepts on Low-Wind Site AEO.   journal   = {International Journal of Environmental and Ecological Engineering}, [online]. World Academy of Science, Engineering and Technology.
    November 2011, vol. 59(11). 669 - 674
    [viewed 23 April 2024]. Available from: https://publications.waset.org/pdf/14505.