Davoud Beheshtizadeh and  Farzin Malekpour,  Investigating the Behavior of Underground Structures in the Event of an Earthquake.   journal   = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2018, vol. 133(1). 24 - 27
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/10008436.