@article{ref1,
title="Visual acuity in relation to body orientation and G-vector",
journal="Journal of engineering psychology",
year="1965",
author="Paige, L. D. and Kama, W. N.",
volume="4",
number="2",
pages="45-56",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-085X",
doi="",
url="http://dx.doi.org/"
}