@article{ref1,
title="Scheduling rest for consecutive light and heavy work loads under hot ambient conditions",
journal="Ergonomics",
year="1979",
author="Krajewski, J. T. and Kamon, E. and Avellini, B.",
volume="22",
number="8",
pages="975-987",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0014-0139",
doi="10.1080/00140137908924671",
url="http://dx.doi.org/10.1080/00140137908924671"
}