@article{ref1,
title="Physical vulnerability of electric systems to sabotage",
journal="Terrorism",
year="1990",
author="Roy, Robin",
volume="13",
number="3",
pages="191-194",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0149-0389",
doi="10.1080/10576109008435830",
url="http://dx.doi.org/10.1080/10576109008435830"
}