@article{ref1,
title="Individual and Collective Behaviors Within Gatherings, Demonstrations, and Riots",
journal="Annual review of sociology",
year="1983",
author="McPhail, Clark and Wohlstein, Ronald T.",
volume="9",
number="1",
pages="579-600",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0360-0572",
doi="10.1146/annurev.so.09.080183.003051",
url="http://dx.doi.org/10.1146/annurev.so.09.080183.003051"
}