@article{ref1,
title="Blackboard jungle: The collapse of discipline is public school enemy no. 1",
journal="Policy review",
year="1989",
author="Wildavsky, B.",
volume="50",
number="",
pages="40-45",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="",
issn="0146-5945",
doi="",
url="http://dx.doi.org/"
}