I. Sin, N. Kim, M. Gil Pérez, T. Kang, and S. Kim. Proceedings of IASS Annual Symposia, 2014, page 1--7. International Association for Shell and Spatial Structures (IASS), (2014)
j. Knippers, M. Hwash, and F. Saad. Fourth International Conference on FRP Composites in Civil Engineering (CICE2008), Zurich, Switzerland, (22-24 July 2008)