@article{ref1,
title="Research on Geometrical Definition System of Highway's Horizontal Alignment, Vertical Alignment and Cross Section",
journal="Zhongguo Gonglu Xuebao",
year="2002",
author="Wang, FJ and Wu, GX and Li, Feng",
volume="15",
number="1",
pages="1-",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="1001-7372",
doi="",
url="http://dx.doi.org/"
}