@article{ref1,
title="Safety, reliability and security of industrial computer systems",
journal="Safety science",
year="2004",
author="Voges, U",
volume="42",
number="5",
pages="351-354",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="0925-7535",
doi="",
url="http://dx.doi.org/"
}