WASET
    Soo-yeon Seo and  Seol-ki Kim and  Su-jin Jung,  Stress Variation of Underground Building Structure during Top-Down Construction.   journal   = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2017, vol. 122(2). 239 - 243
    [viewed 28 March 2024]. Available from: https://publications.waset.org/pdf/10006527.