Yun BaiBooksZhong wai jie ri tu an jiSi luQing jian sheng siXiao ji ling de shi jieHeshun fang yan zhiNong xin yi suiProceedings of the 11th International Conference on Traffic and Transportation StudiesGui lou li yingZhongguo ke ji shi hua ceZhongguo shi xue si xiang tong lunAuthor data: Open Library