@article{ref1,
title="Essential questions and requirements of a current research into the causes and reconstruction of traffic accidents",
journal="Beitrage zur Gerichtlichen Medizin",
year="1974",
author="Heifer, U.",
volume="32",
number="",
pages="57-59",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0067-5016",
doi="",
url="http://dx.doi.org/"
}