@article{ref1,
title="The aged as a traffic participant--his exposure to hazards, his needs",
journal="Hefte zur Unfallheilkunde",
year="1975",
author="von Ferber, C.",
volume="",
number="121",
pages="375-382",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0085-1469",
doi="",
url="http://dx.doi.org/"
}