Ihsan Al-Abboodi and  Tahsin Toma-Sabbagh ,  Effects of Axial Loads and Soil Density on Pile Group Subjected to Triangular Soil Movement.   journal   = {International Journal of Geological and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2017, vol. 123(3). 209 - 214
    [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/10006409.