@article{ref1,
title="Investigation of color vision fatigue in car driver",
journal="Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi",
year="2005",
author="Wang, Shu-e and Liu, Xian-na and Zhang, Hua-ling",
volume="23",
number="3",
pages="239-239",
abstract="Abstract unavailable.",
language="",
issn="1001-9391",
doi="",
url="http://dx.doi.org/"
}