@article{ref1,
title="Sport for seniors--target groups, development and challenge",
journal="Schweizerische Zeitschrift für Medizin und Traumatologie",
year="1994",
author="Kennel, L.",
volume="",
number="1",
pages="39-40",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="1022-6699",
doi="",
url="http://dx.doi.org/"
}