Hosein Ghaffarzadeh and  Robab Naseri Ghalghachi,  Redundancy in Steel Frames with Masonry Infill Walls.   journal   = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2009, vol. 34(10). 415 - 421
    [viewed 29 January 2020]. Available from: https://publications.waset.org/pdf/5952.