@article{ref1,
title="Gaseous environment considerations and evaluation programs leading to spacecraft atmosphere selection",
journal="Aerospace medicine",
year="1963",
author="Michel, E. L. and Smith, G. B. and Johnston, R. S.",
volume="34",
number="",
pages="1119-1121",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0001-9402",
doi="",
url="http://dx.doi.org/"
}