Sudhina H. K and  Ravi M. Yadahalli and  N. M. Shetti,   Bandwidth Control Using Reconfigurable Antenna Elements.   journal   = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2013, vol. 84(12). 1732 - 1736
    [viewed 17 October 2019]. Available from: https://publications.waset.org/pdf/9997027.