@article{ref1,
title="Reduced gravity simulaon",
journal="Human factors",
year="1969",
author="Deutsch, S.",
volume="11",
number="5",
pages="415-418",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0018-7208",
doi="",
url="http://dx.doi.org/"
}