@article{ref1,
title="Roadside Accidents in Illinois",
journal="Transportation quarterly",
year="1991",
author="Falcone, David N. and Charles, M. T.",
volume="45",
number="4",
pages="539-553",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0278-9434",
doi="",
url="http://dx.doi.org/"
}