@article{ref1,
title="Effects of caffeine on visual monitoring",
journal="Journal of applied psychology",
year="1972",
author="Baker, W. J. and Theologus, G. C.",
volume="56",
number="5",
pages="422-427",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0021-9010",
doi="",
url="http://dx.doi.org/"
}