@article{ref1,
title="Sleep deprivation, personality, and performance on a complex vigilance task",
journal="Waking and sleeping",
year="1976",
author="Knapp, TM and Lester, Joseph and Roessler, R.",
volume="1",
number="1",
pages="1-65",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0340-0905",
doi="",
url="http://dx.doi.org/"
}