@article{杨 琦_113,
author = {[杨 琦, 郗恩崇]},
title = {高速公路提供与生产的经济学分析},
publisher = {中国公路学报},
year = {2007},
journal = {中国公路学报},
volume = {20},
number = {2},
eid = {113},
pages = {113-119},
keywords = {公路运输经济;高速公路;经济学分析;提供方式;生产方式},
url = http://zgglxb.gfscw.cn/CN/abstract/article_804.shtml
}