WASET
    Hsien-Chou Liao and  Yu-Shiang Wang,  A Vehicular Visual Tracking System Incorporating Global Positioning System.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    June 2011, vol. 54(6). 588 - 592
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/12923.