@article{ref1,
title="Radicalization of U.S. prisoners",
journal="Criminology and public policy",
year="2009",
author="Useem, Bert and Clayton, Obie",
volume="8",
number="3",
pages="561-592",
abstract="Research Summary<p />",
language="",
issn="1538-6473",
doi="10.1111/j.1745-9133.2009.00574.x",
url="http://dx.doi.org/10.1111/j.1745-9133.2009.00574.x"
}