EN中文
北京交通拥堵的外部性及其政府解决方法初探
许光清
The Externality of Beijing's Tr affic Issues and It's Government Solutions
XU Guangqing
地理科学进展 . 2006, (4): 129 -136 .  DOI: 10.11820/dlkxjz.2006.04.014