@article{ref1,
title="The economic cycle and the social suicide rate",
journal="American sociological review",
year="1967",
author="Pierce, A.",
volume="32",
number="3",
pages="457-462",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0003-1224",
doi="",
url="http://dx.doi.org/"
}