@article{ref1,
title="PC-Based Traffic Accident Data Analysis Program",
journal="Journal of transportation engineering",
year="1987",
author="Thor, C",
volume="113",
number="4",
pages="402-412",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0733-947X",
doi="",
url="http://dx.doi.org/"
}