@article{ref1,
title="Traffic 2042--mosaic of a vision",
journal="Transport policy",
year="2002",
author="Topp, Hartmut H.",
volume="9",
number="1",
pages="1-7",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="0967-070X",
doi="10.1016/S0967-070X(01)00020-8",
url="http://dx.doi.org/10.1016/S0967-070X(01)00020-8"
}