@article{ref1,
title="Effects of spaced and repeated total sleep deprivation",
journal="Ergonomics",
year="1984",
author="Webb, W. B. and Levy, C. M.",
volume="27",
number="1",
pages="45-58",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0014-0139",
doi="",
url="http://dx.doi.org/"
}