@article{ref1,
title="Patterns of Force in Robbery",
journal="Deviant behavior",
year="1980",
author="Luckenbill, DF",
volume="1",
number="3-4",
pages="361-378",
abstract="[Abstract unavailable]  <p>Language: en</p>",
language="en",
issn="0163-9625",
doi="",
url="http://dx.doi.org/"
}