@article{ref1,
title="Future trends: some observations",
journal="Terrorism",
year="1991",
author="Probst, Peter",
volume="14",
number="4",
pages="233-216",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0149-0389",
doi="10.1080/10576109108435881",
url="http://dx.doi.org/10.1080/10576109108435881"
}