Kaklauskas, Gintaris. “Practical Techniques for Determining of Average Stress-Strain Relationships for Concrete from Experimental Data of RC Bending Members”. Journal of Civil Engineering and Management 4, no. 1 (March 31, 1998): 20-28. Accessed November 23, 2024. https://btp.vgtu.lt/index.php/JCEM/article/view/9393.