@article{ref1,
title="A contribution on the prevention of traffic accidents. Selected physical and technical statistics",
journal="Hippokrates: Zeitschrift fur praktische Heilkunde",
year="1968",
author="Kallee, E.",
volume="39",
number="24",
pages="922-928",
abstract="Abstract unavailable.",
language="",
issn="0018-2001",
doi="",
url="http://dx.doi.org/"
}