@article{ref1,
title="Stress in the deep: a study of undersea divers in controlled dangerous situations",
journal="Journal of applied psychology",
year="1976",
author="Knapp, R. J. and Capel, W. C. and Youngblood, D. A.",
volume="61",
number="4",
pages="507-512",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0021-9010",
doi="",
url="http://dx.doi.org/"
}