@article{ref1,
title="Terrorist mass murder: 'New weapon of choice'",
journal="Aviation week and space technology",
year="2001",
author="",
volume="155",
number="12",
pages="35-35",
abstract="Comments on the World Trade Center attack by hijacked passenger aircraft.<p />",
language="",
issn="0005-2175",
doi="",
url="http://dx.doi.org/"
}