Dilavar Khan and  Z. Ahmad,  Stabilization of Angular-Shaped Riprap under Overtopping Flows.   journal   = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    November 2011, vol. 59(11). 550 - 554
    [viewed 19 April 2024]. Available from: https://publications.waset.org/pdf/12730.