Varughese, J. A., D. Menon, and A. M. Prasad. “Review of displacement–based Seismic Design Methods of Reinforced Concrete Regular Frames”. Journal of Structural Engineering, vol. 39, no. 2, Dec. 2024, pp. 210-2, http://14.139.176.44/index.php/JOSE/article/view/1062.