@article{ref1,
title="Industrial shift work: decrease in well-being and specific effects",
journal="Ergonomics",
year="1966",
author="Dirken, J. M.",
volume="9",
number="2",
pages="115-124",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0014-0139",
doi="",
url="http://dx.doi.org/"
}