R.K.L. Su, Nelson Lam, and H.H. Tsang. “Seismic Drift Demand and Capacity of Non-Seismically Designed Concrete Buildings in Hong Kong”. Electronic Journal of Structural Engineering, no. 01 (March 28, 2008): 110–121. Accessed May 3, 2024. https://ejsei.com/EJSE/article/view/91.