@article{ref1,
title="Exclusion of angular accelerations as the principal cause of visual illusions during parabolic flight maneuvers",
journal="Aerospace medicine",
year="1964",
author="Warren, B. H. and Roman, J. A. and Graybiel, A.",
volume="35",
number="",
pages="228-232",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0001-9402",
doi="",
url="http://dx.doi.org/"
}