@article{ref1,
title="Evidence of two kinds of fear aroused by threat appeals",
journal="Psychological reports",
year="1977",
author="Hodgson, R. W.",
volume="41",
number="3",
pages="788-790",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0033-2941",
doi="",
url="http://dx.doi.org/"
}