@article{ref1,
title="Epidemiology and biomechanics of pedestrian accidents in old age",
journal="Hefte zur Unfallheilkunde",
year="1975",
author="Gotzen, L. and Behrens, S. and Suren, E. G. and Richter, K. and Stürtz, G.",
volume="",
number="121",
pages="443-449",
abstract="<p>[Abstract unavailable]</p> <p>Language: de</p>",
language="de",
issn="0085-1469",
doi="",
url="http://dx.doi.org/"
}