@article{ref1,
title="An author's brief history of an idea",
journal="Journal of research in crime and delinquency",
year="2015",
author="Kelling, George",
volume="52",
number="4",
pages="626-629",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-4278",
doi="10.1177/0022427815578175",
url="http://dx.doi.org/10.1177/0022427815578175"
}