@article{ref1,
title="Fatigue effects in 24-hour simulated transport flight. Changes in pilot proficiency",
journal="USAF School of Aerospace Medicine technical report: SAM-TR",
year="1965",
author="Hartman, B. O.",
volume="",
number="",
pages="-",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="",
doi="",
url="http://dx.doi.org/"
}