@article{ref1,
title="Temporal change of subsidiary behavior in monotonous work",
journal="Journal of human ergology",
year="1973",
author="Kishida, K.",
volume="2",
number="1",
pages="75-89",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0300-8134",
doi="",
url="http://dx.doi.org/"
}