P. Tej and  P. Kněž and  M. Blank,  Design and Production of Thin-Walled UHPFRC Footbridge.   journal   = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    September 2018, vol. 142(10). 956 - 963
    [viewed 21 September 2020]. Available from: https://publications.waset.org/pdf/10009648.