@inproceedings{
NecDeS:03-008,
author={I. Necoara and B. {D}e Schutter and J. Hellendoorn},
title={Structural properties of {Helbing's} traffic flow model},
booktitle={Proceedings of the 83rd Annual Meeting of the Transportation Research
Board},
address={Washington, DC},
month=jan,
year={2004},
note={Paper 04-2263}
}