WASET
    Wichai Pattanapol and  Sarah J. Wakes and  Michael J. Hilton and  Katharine J.M. Dickinson,  Modeling of Surface Roughness for Flow over a Complex Vegetated Surface.   journal   = {International Journal of Environmental and Ecological Engineering}, [online]. World Academy of Science, Engineering and Technology.
    August 2007, vol. 8(8). 94 - 102
    [viewed 20 April 2024]. Available from: https://publications.waset.org/pdf/3186.