WASET
    Kyoungwoo Park and  Byeong Sam Kim and  Juhee Lee and  Kwang Soo Kim,  Aerodynamics and Optimization of Airfoil Under Ground Effect.   journal   = {International Journal of Aerospace and Mechanical Engineering}, [online]. World Academy of Science, Engineering and Technology.
    April 2009, vol. 28(4). 385 - 391
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/4777.