@article{ref1,
title="Speech intelligibility during exercise at normal and increased atmospheric pressures",
journal="Aerospace medicine",
year="1972",
author="Murry, T. and Nelson, E. J. and Swenson, E. W.",
volume="43",
number="8",
pages="887-890",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0001-9402",
doi="",
url="http://dx.doi.org/"
}