@article{ref1,
title="Skiing accidents and loss of working hours",
journal="Munchener Medizinische Wochenschrift",
year="1973",
author="Wille, A. and Biener, K.",
volume="115",
number="17",
pages="787-790",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0027-2973",
doi="",
url="http://dx.doi.org/"
}