@article{ref1,
title="Traffic accidents to pedestrians and bicyclists",
journal="Langenbecks archiv fur klinische chirurgie",
year="1964",
author="Doerr, D.",
volume="307",
number="",
pages="238-260",
abstract="Abstract unavailable.",
language="",
issn="0174-4542",
doi="",
url="http://dx.doi.org/"
}