@article{ref1,
title="The psychology of violence",
journal="Community health (Wright)",
year="1976",
author="Tredgold, R. F.",
volume="8",
number="1",
pages="20-23",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0010-3837",
doi="",
url="http://dx.doi.org/"
}