@article{ref1,
title="Traffic safety on motorways",
journal="IATSS research",
year="1995",
author="Berns, S. and Berns, S.",
volume="19",
number="1",
pages="62-68",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0386-1112",
doi="",
url="http://dx.doi.org/"
}