@article{ref1,
title="The "Helgoland" returns home",
journal="Schwestern Revue",
year="1971",
author="Sossna, G.",
volume="9",
number="11",
pages="17-19",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0048-9549",
doi="",
url="http://dx.doi.org/"
}