WASET
    Hansoo Kim and  Seunghak Shin,  Reduction of Differential Column Shortening in Tall Buildings.   journal   = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2014, vol. 86(2). 145 - 148
    [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/9997418.