WASET
    Wern-Yarng Shieh and  Chao Qian and  Bingnan Pei,  Design of Regular Communication Area for Infrared Electronic-Toll-Collection Systems.   journal   = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    June 2014, vol. 91(7). 1118 - 1123
    [viewed 19 September 2024]. Available from: https://publications.waset.org/pdf/9998695.