@article{ref1,
title="Weapons of mass disruption",
journal="Scientific American",
year="2002",
author="Levi, Michael A. and Kelly, Henry C.",
volume="287",
number="5",
pages="76-81",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0036-8733",
doi="",
url="http://dx.doi.org/"
}