Atul Krishna Banik,  Nonlinear Dynamics of Cracked RC Beams under Harmonic Excitation.   journal   = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2011, vol. 51(3). 109 - 114
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/13749.