交通运输系统工程与信息 ›› 2004, Vol. 4 ›› Issue (3): 97-101 .
陆化普1,王媛媛1,屈鹏举2
LU Hua-pu1, WANG Yuan-yuan1, QU Peng-ju2
摘要: 1.Institute of Transportation Engineering, Tsinghua University, Beijing 100084,China; 2.Bureau of Lanzhou Urban Planning and Management, Lanzhou 730030,China