@article{ref1,
title="Social integration economic hardship and rates of personal violence (suicide and homicide): 1933-1970 in the USA",
journal="Psychological reports",
year="1987",
author="Lester, David",
volume="60",
number="3 ",
pages="1306-1306",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0033-2941",
doi="",
url="http://dx.doi.org/"
}