Arslan, Guray, and Melih Hacisalihoglu. “Nonlinear Analysis of RC Columns Using the Drucker-Prager Model”. Journal of Civil Engineering and Management 19, no. 1 (January 16, 2013): 69-77. Accessed November 23, 2024. https://btp.vgtu.lt/index.php/JCEM/article/view/3803.