@article{ref1,
title="The prevention of delinquency, with particular reference to violent crime",
journal="Medicine, science, and the law",
year="1996",
author="Shepherd, Jonathan P. and Farrington, David P.",
volume="36",
number="4",
pages="331-336",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0025-8024",
doi="",
url="http://dx.doi.org/"
}