Mohammad Moeini and  Mehrdad Ghyabi and  Kiarash Mohtasham Dolatshahi,  Seismic Soil-Pile Interaction Considering Nonlinear Soil Column Behavior in Saturated and Dry Soil Conditions.   journal   = {International Journal of Geotechnical and Geological Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2017, vol. 122(2). 188 - 194
    [viewed 08 March 2021]. Available from: https://publications.waset.org/pdf/10006530.