@inproceedings{
LiuDeS:13-035,
author={S. Liu and B. {D}e Schutter and H. Hellendoorn},
title={Multi-Class Traffic Flow and Emission Control for Freeway Networks},
booktitle={Proceedings of the 16th International IEEE Conference on Intelligent
Transportation Systems (ITSC 2013)},
address={The Hague, The Netherlands},
pages={2223--2228},
month=oct,
year={2013}
}