WASET
    D. K. Lee and  S. M. Shin and  J. H. Lee,  Topology Optimization of Structures with Web-Openings.   journal   = {International Journal of Architectural and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2014, vol. 92(8). 944 - 947
    [viewed 19 April 2024]. Available from: https://publications.waset.org/pdf/10003941.