WASET
    Zundong Zhang and  Limin Jia and  Xiaoliang Sun,  Multimode Dynamics of the Beijing Road Traffic System.   journal   = {International Journal of Physical and Mathematical Sciences}, [online]. World Academy of Science, Engineering and Technology.
    July 2010, vol. 43(7). 974 - 978
    [viewed 27 April 2024]. Available from: https://publications.waset.org/pdf/4511.