WASET
    Katarzyna Rzeszut and  Ilona Szewczak,  Experimental Studies of Sigma Thin-Walled Beams Strengthen by CFRP Tapes.   journal   = {International Journal of Structural and Construction Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2017, vol. 127(7). 888 - 895
    [viewed 19 April 2024]. Available from: https://publications.waset.org/pdf/10007402.