@article{ref1,
title="Effects of limited sleep deprivation on performance of selected motor tasks",
journal="Research quarterly",
year="1968",
author="Holland, G. J.",
volume="39",
number="2",
pages="285-294",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0034-5377",
doi="",
url="http://dx.doi.org/"
}