E. Dabbour and  S. M. Easa,  Perceptual Framework for a Modern Left-Turn Collision Warning System.   journal   = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    September 2009, vol. 33(9). 301 - 307
    [viewed 11 May 2024]. Available from: https://publications.waset.org/pdf/1086.