WASET
    Hong Dongchen and  Chen Qiuxiao and  Wu Shuang,  Urban Planning Formulation Problems in China and the Corresponding Optimization Ideas under the Vision of the Hypercycle Theory.   journal   = {International Journal of Architectural and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2014, vol. 88(4). 985 - 990
    [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/9997927.