@article{ref1,
title="Downward ejections at high speeds and high altitudes",
journal="Journal of aviation medicine",
year="1955",
author="Sperry, E. G. and Nielsen, H. P. and Barash, I. M.",
volume="26",
number="5",
pages="356-372",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0095-991X",
doi="",
url="http://dx.doi.org/"
}