WASET
    Omar.S. Qaftan and  T. T. Sabbagh,  Experimental Simulation of Soil Boundary Condition for Dynamic Studies .   journal   = {International Journal of Geotechnical and Geological Engineering}, [online]. World Academy of Science, Engineering and Technology.
    July 2017, vol. 129(9). 815 - 822
    [viewed 27 April 2024]. Available from: https://publications.waset.org/pdf/10007890.