F. Rostami and  M. Shahrokhi and  M. A. Md Said and  S.R. Sabbagh-Yazdi,  Investigation of Undular Hydraulic Jump over Smooth Beds.   journal   = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    December 2011, vol. 60(12). 685 - 690
    [viewed 20 January 2022]. Available from: https://publications.waset.org/pdf/641.