@article{ref1,
title="Risk is a value",
journal="Psychological reports",
year="1969",
author="Willems, E. P.",
volume="24",
number="1",
pages="81-82",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0033-2941",
doi="",
url="http://dx.doi.org/"
}