@article{ref1,
title="A scenerio of traffic and transport in German cities for the year 2010",
journal="IATSS research",
year="1995",
author="Retzko, H",
volume="19",
number="2",
pages="16-19",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0386-1112",
doi="",
url="http://dx.doi.org/"
}