@article{ref1,
title="Effects of reduced gravity environments on human performance",
journal="Aerospace medicine",
year="1968",
author="Wortz, E. C.",
volume="39",
number="9",
pages="963-965",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0001-9402",
doi="",
url="http://dx.doi.org/"
}