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.