@article{ref1,
title="Mind wandering",
journal="British journal of psychology (1953)",
year="1956",
author="Cohen, J. and Hansel, C. E. and Sylvester, J. D.",
volume="47",
number="1",
pages="61-62",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0007-1269",
doi="",
url="http://dx.doi.org/"
}