@article{ref1,
title="Ten-to-the-minus-ninth: Satisfaction or satisfiction?",
journal="Hazard prevention: journal of system safety",
year="2005",
author="Benner, Ludwig and Rimson, Ira J.",
volume="41",
number="6",
pages="-",
abstract="Why have specifications that cannot be obtained or &quot;design to&quot; requirements that cannot be tested?  <p>Language: en</p>",
language="en",
issn="0743-8826",
doi="",
url="http://dx.doi.org/"
}