@article{ref1,
title="Crime in aviation",
journal="Archiv für Kriminologie",
year="1974",
author="Krefft, S.",
volume="153",
number="3-4",
pages="84-96",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0003-9225",
doi="",
url="http://dx.doi.org/"
}