@article{ref1,
title="Terrorism--historical perspective on U.S. congressional action",
journal="Terrorism",
year="1987",
author="Pearl, Marc A.",
volume="10",
number="2",
pages="139-143",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0149-0389",
doi="10.1080/10576108708435656",
url="http://dx.doi.org/10.1080/10576108708435656"
}