Mohamed Massoud El Sadaawy and  Ehab Hasan Ahmed Hasan Ali,  Effect of Cladding and Secondary Members on the Elastic Stability of Main Columns.   journal   = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2013, vol. 74(2). 175 - 180
    [viewed 21 September 2024]. Available from: https://publications.waset.org/pdf/10571.