WASET
    L. Gaile and  I. Radinsh,  Human Induced Dynamic Loading on Stairs.   journal   = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    July 2012, vol. 67(7). 530 - 536
    [viewed 29 March 2024]. Available from: https://publications.waset.org/pdf/2719.