@article{ref1,
title="An analysis of the relationship between driver injury and vehicle age for automobiles involved in North Carolina accidents during 1966-1970",
journal="Accident analysis and prevention",
year="1974",
author="Koch, G. G. and Reinfurt, D. W.",
volume="6",
number="1",
pages="1-18",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="0001-4575",
doi="",
url="http://dx.doi.org/"
}