@article{ref1,
title="The Munich car traffic reduction concept",
journal="IATSS research",
year="1995",
author="Bieling, N and Skoupil, G and Topp, Hartmut H.",
volume="19",
number="2",
pages="20-25",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0386-1112",
doi="",
url="http://dx.doi.org/"
}