@article{ref1,
title="A Model for Prison Disturbances",
journal="British journal of criminology",
year="1977",
author="Zeeman, E. C. and Hall, CS and Harrison, PJ and Marriage, GH and Shapland, PH",
volume="17",
number="3",
pages="251-263",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0007-0955",
doi="",
url="http://dx.doi.org/"
}