@article{ref1,
title="Analysis of reports of national severe safety accidents between 2001 and 2008",
journal="Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi",
year="2009",
author="Zhang, Tao and Wang, Ming-xiao and Zhang, Bin",
volume="27",
number="12",
pages="772-773",
abstract="<p>[Abstract unavailable]</p> <p>Language: zh</p>",
language="zh",
issn="1001-9391",
doi="",
url="http://dx.doi.org/"
}