@article{ref1,
title="The car -- a challenge in functional requirements complexity, safety and reliability",
journal="Journal of occupational accidents",
year="1990",
author="Braess, Hans Hermann and Reichart, G",
volume="13",
number="1-2",
pages="63-78",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0376-6349",
doi="",
url="http://dx.doi.org/"
}