@article{ref1,
title="Challenges for multilevel models of school disorder: response to Hoffmann and Johnson",
journal="Criminology",
year="2000",
author="Welsh, Wayne N. and Jenkins, Patricia H. and Greene, Jack R.",
volume="38",
number="4",
pages="1289-1300",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="0011-1384",
doi="10.1111/j.1745-9125.2000.tb01424.x",
url="http://dx.doi.org/10.1111/j.1745-9125.2000.tb01424.x"
}