Jinwoong Choi and  Sun-Kyu Park and  Sungnam Hong,  Design Process of the Fixing Pipes in the Guide Pipe Anchor System for Cable-Stayed Bridges.   journal   = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2013, vol. 74(2). 181 - 188
    [viewed 05 July 2020]. Available from: https://publications.waset.org/pdf/8441.