@article{ref1,
title="A Psychological Approach to Deterrence: The Evaluation of Crime Opportunities",
journal="Journal of personality and social psychology",
year="1978",
author="Carroll, J. S.",
volume="36",
number="",
pages="1512-1520",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0022-3514",
doi="",
url="http://dx.doi.org/"
}