C. Thongsopa and  P. Sukphongchirakul and  A. Intarapanich and  P. Jarataku,  Measurement of UHF Signal Strength Propagating from Road Surface with Vehicle Obstruction.   journal   = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    September 2010, vol. 45(9). 1326 - 1330
    [viewed 19 April 2024]. Available from: https://publications.waset.org/pdf/9147.