@article{ref1,
title="Incidence and Estimated Prevalence of Recorded Delinquency in a Metropolitan Area",
journal="American sociological review",
year="1964",
author="Ball, J. C. and Ross, A. and Simpson, A.",
volume="29",
number="1",
pages="90-93",
abstract="[Abstract unavailable]  <p>Language: en</p>",
language="en",
issn="0003-1224",
doi="",
url="http://dx.doi.org/"
}