@article{ref1,
title="Influence of rural road speed limits on accident figures in the Federal Republic of Germany",
journal="Unfallheilkunde",
year="1980",
author="Lenz, K. H.",
volume="83",
number="6",
pages="296-305",
abstract="Abstract unavailable.",
language="",
issn="0341-5694",
doi="",
url="http://dx.doi.org/"
}