@article{ref1,
title="The health value of skiing",
journal="MMW: Munchener Medizinische Wochenschrift",
year="1982",
author="Grünewald, B.",
volume="124",
number="8",
pages="167-168",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0341-3098",
doi="",
url="http://dx.doi.org/"
}