@article{ref1,
title="Guarding against natural threats and terrorist attacks. An industry perspective",
journal="Annals of the New York Academy of Sciences",
year="1999",
author="Stolte, D. and Olson, K. E.",
volume="894",
number="",
pages="68-72",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0077-8923",
doi="",
url="http://dx.doi.org/"
}