@article{ref1,
title="Health educational task of the school",
journal="Offentliche Gesundheitswesen",
year="1971",
author="Brandau, G.",
volume="33",
number="3",
pages="168-170",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0029-8573",
doi="",
url="http://dx.doi.org/"
}