@article{ref1,
title="Age and Crime, Logic and Scholarship: Comment on Greenberg",
journal="American journal of sociology",
year="1985",
author="Gottfredson, M. and Hirschi, Travis",
volume="91",
number="1",
pages="22-27",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0002-9602",
doi="10.1086/228243",
url="http://dx.doi.org/10.1086/228243"
}