@article{ref1,
title="Research trends in traffic safety",
journal="Traffic safety research review",
year="1961",
author="Conger, J. J.",
volume="5",
number="2",
pages="30-32",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0564-0741",
doi="",
url="http://dx.doi.org/"
}