@article{ref1,
title="Aviation pathology and the group system: a case of breakup in the air",
journal="Aerospace medicine",
year="1974",
author="Mason, J. K.",
volume="45",
number="8",
pages="928-930",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0001-9402",
doi="",
url="http://dx.doi.org/"
}