@article{ref1,
title="MOL: crew performance on demanding work-rest schedules compounded by sleep deprivation. SAM-TR-67-99",
journal="USAF School of Aerospace Medicine technical report: SAM-TR",
year="1967",
author="Hartman, B. O. and Cantrell, G. K.",
volume="",
number="",
pages="1-29",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="",
doi="",
url="http://dx.doi.org/"
}