@article{ref1,
title="Stress effects on skill",
journal="Journal of experimental psychology",
year="1967",
author="Willis, M. P.",
volume="74",
number="4",
pages="460-465",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-1015",
doi="",
url="http://dx.doi.org/"
}