Choi, Won-Chang, and Hyun-Do Yun. “Shear Strength of Reinforced Recycled Aggregate Concrete Beams Without Shear Reinforcements”. Journal of Civil Engineering and Management 23, no. 1 (January 19, 2017): 76-84. Accessed October 18, 2019. https://journals.vgtu.lt/index.php/JCEM/article/view/936.