@article{ref1,
title="Homicide and Robbery in New York City: An Economic Model",
journal="Journal of legal studies (Chicago)",
year="1976",
author="Mathieson, D and Passell, P",
volume="5",
number="1",
pages="83-98",
abstract="[Abstract unavailable]  <p>Language: en</p>",
language="en",
issn="0047-2530",
doi="",
url="http://dx.doi.org/"
}