@article{ref1,
title="A study of CO2 build-up with a neck seal substituted for the face seal in the full pressure suit helmet",
journal="Aerospace medicine",
year="1963",
author="Bartlett, R. G. Jr",
volume="34",
number="",
pages="30-34",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0001-9402",
doi="",
url="http://dx.doi.org/"
}