WASET
    K. L. Verma,  On the Wave Propagation in Layered Plates of General Anisotropic Media.   journal   = {International Journal of Physical and Mathematical Sciences}, [online]. World Academy of Science, Engineering and Technology.
    January 2008, vol. 13(1). 22 - 28
    [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/6992.