@article{ref1,
title="Re-evaluation of emergency pressurization requirements for brief flights above 50,000 feet",
journal="Aerospace medicine",
year="1971",
author="Wilson, C. L.",
volume="42",
number="2",
pages="183-185",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0001-9402",
doi="",
url="http://dx.doi.org/"
}