Dong-Chul Lee and Byung-Kwan Oh and Se-Woon Choi and Hyo-Sun Park, Multi-Objective Optimization for Performance-based Seismic Retrofit using Connection Upgrade. journal = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology. November 2011, vol. 59(11). 555 - 560 [viewed 23 April 2024]. Available from: https://publications.waset.org/pdf/7641.