@article{ref1,
title="Aerospace simulation and human performance research",
journal="Human factors",
year="1967",
author="Knowles, W. B.",
volume="9",
number="2",
pages="149-159",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0018-7208",
doi="",
url="http://dx.doi.org/"
}