@article{ref1,
title="Subjective stress and productivity in real estate sales people: a replication",
journal="Psychological reports",
year="1990",
author="Yang Lester, Bijou and Lester, David and Wachter, S.",
volume="67",
number="3",
pages="738-738",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0033-2941",
doi="",
url="http://dx.doi.org/"
}