@article{ref1,
title="Factors influencing the severity of Illinois school bus accidents",
journal="Traffic safety research review",
year="1960",
author="No Author(s) Listed, ",
volume="4",
number="3",
pages="26-28",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0564-0741",
doi="",
url="http://dx.doi.org/"
}