WASET
    R. Sadeghzadegan and  S. A. Naeini and  A. Mirzaii,  Determination of Small Shear Modulus of Clayey Sand Using Bender Element Test.   journal   = {International Journal of Geotechnical and Geological Engineering}, [online]. World Academy of Science, Engineering and Technology.
    November 2018, vol. 133(1). 7 - 11
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/10008375.