Dong, Chun Xiao, and Johnny Ching Ming Ho. “Theoretical Model for Double-Skinned Concrete-Filledsteel-Tubular Columns With External Confinement”. Journal of Civil Engineering and Management 21, no. 5 (May 6, 2015): 666-676. Accessed November 15, 2024. https://jest.vgtu.lt/index.php/JCEM/article/view/2917.