@article{ref1,
title="Self-paced work in sleep deprived subjects",
journal="Ergonomics",
year="1987",
author="Myles, W. S. and Romet, T. T.",
volume="30",
number="8",
pages="1175-1184",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0014-0139",
doi="",
url="http://dx.doi.org/"
}