@article{ref1,
title="About the necessity of a comprehensive evaluation of the transportation system",
journal="Promet",
year="2001",
author="Martin, Ullrich",
volume="13",
number="2-3",
pages="183-186",
abstract="A brief review is given of the current ideas about traffic restrictions and cost of traffic distribution systems including the controversy of individual and public transport under both private and public regimes.<p /><p>Language: en</p>",
language="en",
issn="0353-5320",
doi="10.7307/ptt.v13i2-3.1061",
url="http://dx.doi.org/10.7307/ptt.v13i2-3.1061"
}