@article{ref1,
title="Reliability of the Stanford Sleepiness Scale compared to short duration performance tests and the Wilkinson Auditory Vigilance Task",
journal="Advances in the biosciences",
year="1978",
author="Glenville, M. and Broughton, R.",
volume="21",
number="",
pages="235-244",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0065-3446",
doi="",
url="http://dx.doi.org/"
}