@article{ref1,
title="What can cities do to prevent serious youth violence? -- Anthony A Braga and Christopher Winship consider Boston's Operation Ceasefire and the ways in which the model might be implemented in other communities affected by youth violence",
journal="Criminal justice matters",
year="2009",
author="Braga, Anthony Allan and Winship, Christopher",
volume="75",
number="1",
pages="35-37 AB",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0962-7251",
doi="10.1080/09627250802699798",
url="http://dx.doi.org/10.1080/09627250802699798"
}