Nilson Barbieri and  Renato Barbieri,  Study of Damage in Beams with Different Boundary Conditions.   journal   = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    June 2013, vol. 78(6). 399 - 405
    [viewed 20 September 2024]. Available from: https://publications.waset.org/pdf/9351.