@article{ref1,
title="Explaining recent trends in U.S. homicide rates",
journal="Journal of criminal law and criminology",
year="1998",
author="Blumstein, Alfred and Rosenfeld, Richard",
volume="88",
number="4",
pages="1175-1216",
abstract="[Abstract unavailable]  <p>Language: en</p>",
language="en",
issn="0091-4169",
doi="",
url="http://dx.doi.org/"
}