Moussa Hamdan and  Abdulati Abdullah ,  Modeling and Simulations of Surface Plasmon Waveguide Structures.   journal   = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    June 2016, vol. 115(7). 933 - 936
    [viewed 10 December 2019]. Available from: https://publications.waset.org/pdf/10004982.