@article{ref1,
title="Violent opposition",
journal="Scientific American",
year="2000",
author="Turville-Heitz, M.",
volume="282",
number="2",
pages="32-32",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0036-8733",
doi="",
url="http://dx.doi.org/"
}