@article{ref1,
title="Risk analyses of transportation on road and railway from a European Perspective",
journal="Safety science",
year="2002",
author="Hoj, NP and Kroger, W",
volume="40",
number="1-4",
pages="337-357",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="0925-7535",
doi="",
url="http://dx.doi.org/"
}