@article{ref1,
title="The difference in road traffic safety in the U.S.A. and in the netherlands--a study of statistical data",
journal="Accident analysis and prevention",
year="1972",
author="Nijveld, HAW",
volume="4",
number="1",
pages="67-73",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="0001-4575",
doi="",
url="http://dx.doi.org/"
}