@article{ref1,
title="ARMY Air Forces aviation psychology program research reports; special reviews",
journal="Psychological bulletin",
year="1949",
author="",
volume="46",
number="6",
pages="499-528",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0033-2909",
doi="",
url="http://dx.doi.org/"
}