@article{ref1,
title="The partial effect of income on suicide is always negative",
journal="American journal of sociology",
year="1975",
author="Barnes, C. B.",
volume="80",
number="6",
pages="1454-1462",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0002-9602",
doi="",
url="http://dx.doi.org/"
}