@article{ref1,
title="Ergonomics is not only for the practice and laboratory",
journal="Dental echo",
year="1972",
author="Kimmel, K.",
volume="42",
number="3",
pages="8-10",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0011-8575",
doi="",
url="http://dx.doi.org/"
}