@article{ref1,
title="Correlation of experimental and analytical data to define civil oxygen protection requirements above 40,000 feet",
journal="Aerospace medicine",
year="1962",
author="Blockley, W. V. and Hanifan, D. T. and Webb, P.",
volume="33",
number="",
pages="1291-1297",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0001-9402",
doi="",
url="http://dx.doi.org/"
}