@article{ref1,
title="Homicide: explaining America's exceptionalism",
journal="American historical review",
year="2006",
author="Monkkonen, Eric",
volume="111",
number="1",
pages="76-94",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0002-8762",
doi="",
url="http://dx.doi.org/"
}