@article{ref1,
title="Sport and indoor swimming pools with daylight, lighting",
journal="Offentliche Gesundheitswesen",
year="1969",
author="Bellinger, H.",
volume="31",
number="11",
pages="553-555",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0029-8573",
doi="",
url="http://dx.doi.org/"
}