@article{ref1,
title="Response of Transportation Tunnels Due to Strong Earthquake",
journal="Zhongguo Gonglu Xuebao",
year="2001",
author="Yang, XL and Li, Louman and Liu, BC",
volume="14",
number="4",
pages="55-",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="1001-7372",
doi="",
url="http://dx.doi.org/"
}