@article{ref1,
title="Causes, forms and concomitant injuries of the distal femoral fractures",
journal="Hefte zur Unfallheilkunde",
year="1975",
author="Kuner, E. H.",
volume="",
number="120",
pages="1-8",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0085-1469",
doi="",
url="http://dx.doi.org/"
}