@article{ref1,
title="Universal Method for Highway's Horizontal Alignment Based on Restrictions of Straight Line",
journal="Zhongguo Gonglu Xuebao",
year="2002",
author="Miao, Kuangyi and Zhan, ZY",
volume="15",
number="3",
pages="15-",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="1001-7372",
doi="",
url="http://dx.doi.org/"
}