@article{ref1,
title="Development of an aviation combat criterion",
journal="Aerospace medicine",
year="1969",
author="Rickus, G. M. Jr and Berkshire, J. R.",
volume="40",
number="3",
pages="287-289",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0001-9402",
doi="",
url="http://dx.doi.org/"
}