@article{ref1,
title="Lack of sleep and covert orienting of attention",
journal="Acta psychologica",
year="1982",
author="Sanders, A. F. and Reitsma, W. D.",
volume="52",
number="1-2",
pages="137-145",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0001-6918",
doi="",
url="http://dx.doi.org/"
}