@article{ref1,
title="Plane crash",
journal="Tandlaegebladet",
year="1975",
author="Jakobsen, J. and Petersen, K. B.",
volume="79",
number="3",
pages="99-103",
abstract="<p>[Abstract unavailable]</p><p>Language: da</p>",
language="da",
issn="0039-9353",
doi="",
url="http://dx.doi.org/"
}