WASET
    G. M. Mir and  N. A. Shah and  Moinuddin,  Variable Guard Channels for Efficient Traffic Management.   journal   = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2010, vol. 41(5). 808 - 812
    [viewed 16 April 2024]. Available from: https://publications.waset.org/pdf/6136.