@article{ref1,
title="Patterns of popular protest",
journal="Journal of historical geography",
year="1975",
author="Baker, Alan R. H.",
volume="1",
number="4",
pages="383-387",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0305-7488",
doi="10.1016/0305-7488(75)90124-3",
url="http://dx.doi.org/10.1016/0305-7488(75)90124-3"
}