@article{ref1,
title="The threat to the U.S",
journal="Terrorism",
year="1986",
author="Livingstone, Neil C.",
volume="8",
number="3",
pages="261-272",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0149-0389",
doi="10.1080/10576108608435606",
url="http://dx.doi.org/10.1080/10576108608435606"
}