@article{ref1,
title="Racial Disturbances as Collective Protest",
journal="American behavioral scientist",
year="1968",
author="Lang, K. and Lang, G. E.",
volume="11",
number="4",
pages="11-13",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0002-7642",
doi="10.1177/000276426801100404",
url="http://dx.doi.org/10.1177/000276426801100404"
}