@article{ref1,
title="Hygienic problems surrounding swimming and camping",
journal="Offentliche Gesundheitswesen",
year="1972",
author="Legler, F.",
volume="34",
number="6",
pages="317-337",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0029-8573",
doi="",
url="http://dx.doi.org/"
}