@article{ref1,
title="On punch press injuries, origin, treatment, prevention",
journal="Hefte zur Unfallheilkunde",
year="1963",
author="Schink, W. and Schaefer, H. P.",
volume="74",
number="",
pages="1-57",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0085-1469",
doi="",
url="http://dx.doi.org/"
}