@article{ref1,
title="Electroencephalographic Studies of Mental Fatigue",
journal="Journal of psychology, The",
year="1946",
author="Barnes, T.   Cunliffe and Brieger, H.",
volume="22",
number="2",
pages="181-192",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0022-3980",
doi="10.1080/00223980.1946.9917305",
url="http://dx.doi.org/10.1080/00223980.1946.9917305"
}