@article{ref1,
title="Fatigue, impairment, and psychomotor learning",
journal="Perceptual and motor skills",
year="1963",
author="Nunney, D. N.",
volume="16",
number="2",
pages="369-375",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0031-5125",
doi="10.2466/pms.1963.16.2.369",
url="http://dx.doi.org/10.2466/pms.1963.16.2.369"
}