WASET
    R. K. Apalowo and  D. Chronopoulos,  A FE-Based Scheme for Computing Wave Interaction with Nonlinear Damage and Generation of Harmonics in Layered Composite Structures.   journal   = {International Journal of Aerospace and Mechanical Engineering}, [online]. World Academy of Science, Engineering and Technology.
    August 2020, vol. 165(9). 414 - 420
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/10011417.