@article{ref1,
title="Psychomotor and physiologic changes during accelerations of 5, 7, and 9+Gx",
journal="Aerospace medicine",
year="1968",
author="Little, V. Z. and Leverett, S. D. and Hartman, B. O.",
volume="39",
number="11",
pages="1190-1197",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0001-9402",
doi="",
url="http://dx.doi.org/"
}