@article{ref1,
title="Development, test, and evaluation of an advanced anti-G valve for the F-15",
journal="Aviation, space, and environmental medicine",
year="1980",
author="Burton, R. R. and Shaffstall, R. M. and Jaggars, J. L.",
volume="51",
number="5",
pages="504-509",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0095-6562",
doi="",
url="http://dx.doi.org/"
}