Mohammad A. Bani-Khaled,  Extracting the Coupled Dynamics in Thin-Walled Beams from Numerical Data Bases.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    November 2015, vol. 103(7). 1445 - 1452
    [viewed 20 October 2019]. Available from: https://publications.waset.org/pdf/10006014.