@article{ref1,
title="Mental activity in relaxed wakefulness",
journal="Journal of abnormal psychology",
year="1975",
author="Foulkes, D. and Fleisher, S.",
volume="84",
number="1",
pages="66-75",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0021-843X",
doi="",
url="http://dx.doi.org/"
}