WASET
    S. M. Rifat and  André L. Marchildon and  Mark F. Tachie,  Effects of Roughness on Forward Facing Step in an Open Channel.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2016, vol. 110(2). 273 - 287
    [viewed 11 May 2024]. Available from: https://publications.waset.org/pdf/10003550.