Ahmed Mohammed Youssef Mohammed and  Mohammad Reza Okhovat and  Koichi Maekawa,  Damage Evolution of Underground Structural Reinforced Concrete Small-Scale Static-Loading Experiments.   journal   = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2012, vol. 61(1). 9 - 16
    [viewed 19 November 2019]. Available from: https://publications.waset.org/pdf/11967.