@article{ref1,
title="Determination of psychological stress in sea pilot based on urinary catecholamine excretion",
journal="Zentralbl Arbeitsmed Arbeitsschutz Prophyl Ergonomie",
year="1980",
author="Geister, R. and Seifert, R. and Zorn, E.",
volume="30",
number="12",
pages="458-463",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="",
doi="",
url="http://dx.doi.org/"
}